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href='/hst/instrumentation/acs/performance/cte-information/post-sm4-internal-cte-for-wfc' class="offcanvas__section-link" >Post-SM4 Internal CTE for WFC</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/performance/photometric-cte-corrections' class="offcanvas__section-link" >Photometric CTE Corrections</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/performance/pixel-based-cte-corrections' class="offcanvas__section-link" >Pixel-Based CTE Corrections</a></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/hst/instrumentation/acs/performance/prism--grism' class="offcanvas__section-link" >Prism / Grism</a><button class="offcanvas__section-toggle" id="Prism_-_Grism_18_control" type="button" aria-label="Prism / Grism submenu" aria-controls="Prism_-_Grism_18_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Prism_-_Grism_18_section" class="offcanvas__list" data-level="6" aria-labelledby="Prism_-_Grism_18_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/acs/performance/prism--grism/acs-axe-downloadable-files' class="offcanvas__section-link" >ACS aXe Downloadable files</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/performance/prism--grism/wfc-g800l' class="offcanvas__section-link" >WFC G800L</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/performance/prism--grism/hrc-g800l' class="offcanvas__section-link" >HRC G800L</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/performance/prism--grism/hrc-pr200l' class="offcanvas__section-link" >HRC PR200L</a></li><li 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class="offcanvas__section-link" target='_blank' >ACS ETC</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies' class="offcanvas__section-link" >Dither Strategies</a><button class="offcanvas__section-toggle" id="Dither_Strategies_20_control" type="button" aria-label="Dither Strategies submenu" aria-controls="Dither_Strategies_20_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Dither_Strategies_20_section" class="offcanvas__list" data-level="6" aria-labelledby="Dither_Strategies_20_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-wfc-dither-line' class="offcanvas__section-link" >ACS-WFC-DITHER-LINE</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-wfc-dither-box' class="offcanvas__section-link" >ACS-WFC-DITHER-BOX</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-wfc-mosaic-line' class="offcanvas__section-link" >ACS-WFC-MOSAIC-LINE</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-wfc-mosaic-box' class="offcanvas__section-link" >ACS-WFC-MOSAIC-BOX</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-hrc-dither-line' class="offcanvas__section-link" >ACS-HRC-DITHER-LINE</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-hrc-dither-box' class="offcanvas__section-link" >ACS-HRC-DITHER-BOX</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-hrc-mosaic-line' class="offcanvas__section-link" >ACS-HRC-MOSAIC-LINE</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-hrc-mosaic-box' class="offcanvas__section-link" >ACS-HRC-MOSAIC-BOX</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-sbc-dither-line' class="offcanvas__section-link" >ACS-SBC-DITHER-LINE</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-sbc-dither-box' class="offcanvas__section-link" >ACS-SBC-DITHER-BOX</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-sbc-mosaic-line' class="offcanvas__section-link" >ACS-SBC-MOSAIC-LINE</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/acs/proposing/dither-strategies/acs-sbc-mosaic-box' class="offcanvas__section-link" >ACS-SBC-MOSAIC-BOX</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/acs/proposing/exception-report-instructions' class="offcanvas__section-link" >Exception Report Instructions</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/acs/data-analysis' class="offcanvas__section-link" >Data Analysis</a><button class="offcanvas__section-toggle" id="Data_Analysis_21_control" type="button" aria-label="Data Analysis submenu" aria-controls="Data_Analysis_21_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Data_Analysis_21_section" class="offcanvas__list" data-level="5" aria-labelledby="Data_Analysis_21_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/acs/data-analysis/aperture-corrections' class="offcanvas__section-link" >Aperture Corrections</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/data-analysis/distortion' class="offcanvas__section-link" >Distortion</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/data-analysis/dq-flag-definitions' class="offcanvas__section-link" >DQ Flag Definitions</a></li><li class="offcanvas__item noChildren"><a href='http://drizzlepac.stsci.edu/' class="offcanvas__section-link" target='_blank' >DrizzlePac</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/data-analysis/pixel-area-maps' class="offcanvas__section-link" >Pixel Area Maps</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/data-analysis/system-throughputs' class="offcanvas__section-link" >System Throughputs</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/acs/data-analysis/zeropoints' class="offcanvas__section-link" >Zeropoints</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/acs/data-analysis/photometric-transformations' class="offcanvas__section-link" >Photometric Transformations</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/acs/calibration' class="offcanvas__section-link" >Calibration</a><button class="offcanvas__section-toggle" id="Calibration_22_control" type="button" aria-label="Calibration submenu" aria-controls="Calibration_22_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use 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class="offcanvas__section-toggle" id="Documentation_24_control" type="button" aria-label="Documentation submenu" aria-controls="Documentation_24_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Documentation_24_section" class="offcanvas__list" data-level="5" aria-labelledby="Documentation_24_control"><li class="offcanvas__item noChildren firstInLevel"><a href='https://hst-docs.stsci.edu/acsihb' class="offcanvas__section-link" target='_blank' >ACS Instrument Handbook</a></li><li class="offcanvas__item noChildren"><a href='https://hst-docs.stsci.edu/acsdhb' class="offcanvas__section-link" target='_blank' >ACS Data Handbook</a></li><li class="offcanvas__item noChildren"><a 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class="offcanvas__section-link" >Cycle 28 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-27-calibration-plan' class="offcanvas__section-link" >Cycle 27 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-26-calibration-plan' class="offcanvas__section-link" >Cycle 26 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-25-calibration-plan' class="offcanvas__section-link" >Cycle 25 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-24-calibration-plan' class="offcanvas__section-link" >Cycle 24 Calibration Plan</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/cos/calibration/cycle-23-calibration-plan' class="offcanvas__section-link" >Cycle 23 Calibration Plan</a></li><li class="offcanvas__item 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href='/hst/instrumentation/stis/observing-strategies/available-modes/high-contrast-coronagraphy-at-small-inner-working-angles-with-bar5' class="offcanvas__section-link" >High Contrast Coronagraphy at Small Inner Working Angles with BAR5</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/stis/observing-strategies/available-modes/stis-bar5' class="offcanvas__section-link" >STIS BAR5</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/stis/data-analysis-and-software-tools' class="offcanvas__section-link" >Data Analysis and Software Tools</a><button class="offcanvas__section-toggle" id="Data_Analysis_and_Software_Tools_40_control" type="button" aria-label="Data Analysis and Software Tools submenu" aria-controls="Data_Analysis_and_Software_Tools_40_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use 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Handbook</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='https://hst-docs.stsci.edu/stisdhb' class="offcanvas__section-link" target='_blank' >STIS Data Handbook</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/stis/flux-recalibration' class="offcanvas__section-link" >Flux Recalibration</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3' class="offcanvas__section-link" >Wide Field Camera 3</a><button class="offcanvas__section-toggle" id="Wide_Field_Camera_3_42_control" type="button" aria-label="Wide Field Camera 3 submenu" aria-controls="Wide_Field_Camera_3_42_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Wide_Field_Camera_3_42_section" class="offcanvas__list" data-level="4" aria-labelledby="Wide_Field_Camera_3_42_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/wfc3/instrument-design' class="offcanvas__section-link" >Instrument Design</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/performance' class="offcanvas__section-link" >Performance</a><button class="offcanvas__section-toggle" id="Performance_43_control" type="button" aria-label="Performance submenu" aria-controls="Performance_43_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Performance_43_section" class="offcanvas__list" data-level="5" aria-labelledby="Performance_43_control"><li 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aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Monitoring_44_section" class="offcanvas__list" data-level="6" aria-labelledby="Monitoring_44_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/wfc3/performance/monitoring/complete-anneal-history' class="offcanvas__section-link" >Complete Anneal History</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/performance/throughputs' class="offcanvas__section-link" >Throughputs</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/performance/cal-subsystem' class="offcanvas__section-link" >Cal Subsystem</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/proposing' class="offcanvas__section-link" >Proposing</a><button class="offcanvas__section-toggle" id="Proposing_45_control" type="button" aria-label="Proposing submenu" aria-controls="Proposing_45_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Proposing_45_section" class="offcanvas__list" data-level="5" aria-labelledby="Proposing_45_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/wfc3/proposing/dithering-strategies' class="offcanvas__section-link" >Dithering Strategies</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/proposing/exception-reports' class="offcanvas__section-link" >Exception Reports</a></li></ul></li><li class="offcanvas__item hasChildren"><a 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href='/hst/instrumentation/wfc3/data-analysis/full-well-depth' class="offcanvas__section-link" >Full Well Depth</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources' class="offcanvas__section-link" >Grism Spectroscopy</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/data-analysis/ir-flats' class="offcanvas__section-link" >IR Flats</a><button class="offcanvas__section-toggle" id="IR_Flats_47_control" type="button" aria-label="IR Flats submenu" aria-controls="IR_Flats_47_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="IR_Flats_47_section" class="offcanvas__list" data-level="6" aria-labelledby="IR_Flats_47_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/ir-flats/blob-delta-flats-from-earth-flat-calibration-images' class="offcanvas__section-link" >Blob Delta-flats from Earth Flat Calibration Images</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/data-analysis/ir-persistence' class="offcanvas__section-link" >IR Persistence</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration' class="offcanvas__section-link" >Photometric Calibration</a><button class="offcanvas__section-toggle" id="Photometric_Calibration_48_control" type="button" aria-label="Photometric Calibration submenu" aria-controls="Photometric_Calibration_48_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Photometric_Calibration_48_section" class="offcanvas__list" data-level="6" aria-labelledby="Photometric_Calibration_48_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/uvis-photometric-calibration' class="offcanvas__section-link" >UVIS Photometric Calibration</a><button class="offcanvas__section-toggle" id="UVIS_Photometric_Calibration_49_control" type="button" aria-label="UVIS Photometric Calibration submenu" aria-controls="UVIS_Photometric_Calibration_49_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="UVIS_Photometric_Calibration_49_section" class="offcanvas__list" data-level="7" aria-labelledby="UVIS_Photometric_Calibration_49_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/uvis-photometric-calibration/quad-filter-photometry' class="offcanvas__section-link" >Quad Filter Photometry</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/uvis-photometric-calibration/uv-filter-modified-keywords' class="offcanvas__section-link" >UV Filter Modified Keywords</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/uvis-photometric-calibration/previous-uvis-photometric-calibrations' class="offcanvas__section-link" >Previous UVIS Photometric Calibrations</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/uvis-encircled-energy' class="offcanvas__section-link" >UVIS Encircled Energy</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/ir-photometric-calibration' class="offcanvas__section-link" >IR Photometric Calibration</a><button class="offcanvas__section-toggle" id="IR_Photometric_Calibration_50_control" type="button" aria-label="IR Photometric Calibration submenu" aria-controls="IR_Photometric_Calibration_50_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="IR_Photometric_Calibration_50_section" class="offcanvas__list" data-level="7" aria-labelledby="IR_Photometric_Calibration_50_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/ir-photometric-calibration/previous-ir-photometric-calibrations' class="offcanvas__section-link" >Previous IR Photometric Calibrations</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/photometric-calibration/ir-encircled-energy' class="offcanvas__section-link" >IR Encircled Energy</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/data-analysis/pixel-area-maps' class="offcanvas__section-link" >Pixel Area Maps</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/data-analysis/psf' class="offcanvas__section-link" >PSF</a><button class="offcanvas__section-toggle" id="PSF_51_control" type="button" aria-label="PSF submenu" aria-controls="PSF_51_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="PSF_51_section" class="offcanvas__list" data-level="6" aria-labelledby="PSF_51_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/psf/psf-search' class="offcanvas__section-link" >PSF Search</a></li></ul></li><li class="offcanvas__item noChildren"><a href='http://archive.stsci.edu/hst/index.html' class="offcanvas__section-link" target='_blank' >Retrieving Data</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/data-analysis/should-i-recalibrate' class="offcanvas__section-link" >Should I Recalibrate?</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/data-analysis/uvis-flats' class="offcanvas__section-link" >UVIS Flats</a></li><li class="offcanvas__item noChildren"><a href='/hst/observing/post-observation' class="offcanvas__section-link" >Post-Observation</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/data-analysis/uvis-and-ir-distortion-calibration' class="offcanvas__section-link" >UVIS and IR Distortion Calibration</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/calibration-plan' class="offcanvas__section-link" >Calibration Plan</a><button class="offcanvas__section-toggle" id="Calibration_Plan_52_control" type="button" aria-label="Calibration Plan submenu" aria-controls="Calibration_Plan_52_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Calibration_Plan_52_section" class="offcanvas__list" data-level="5" aria-labelledby="Calibration_Plan_52_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/wfc3/calibration-plan/tv3-results' class="offcanvas__section-link" >TV3 Results</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/calibration-plan/tv2-results' class="offcanvas__section-link" >TV2 Results</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/calibration-plan/tv1-results' class="offcanvas__section-link" >TV1 Results</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/calibration-plan/old-versions' class="offcanvas__section-link" >Old Versions</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/wfc3/software-tools' class="offcanvas__section-link" >Software Tools</a><button class="offcanvas__section-toggle" id="Software_Tools_53_control" type="button" aria-label="Software Tools submenu" aria-controls="Software_Tools_53_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Software_Tools_53_section" class="offcanvas__list" data-level="5" aria-labelledby="Software_Tools_53_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/wfc3/software-tools/crosstalk' class="offcanvas__section-link" >Crosstalk</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/software-tools/cte-tools' class="offcanvas__section-link" >CTE Tools</a></li><li class="offcanvas__item noChildren"><a 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section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Grism_Resources_55_section" class="offcanvas__list" data-level="6" aria-labelledby="Grism_Resources_55_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/grism-data-analysis' class="offcanvas__section-link" >Grism Data Analysis</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/wfc3-ir-grism-data-reduction-cookbook' class="offcanvas__section-link" >WFC3 IR Grism Data Reduction Cookbook</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/grism-frequently-asked-questions' class="offcanvas__section-link" >Grism Frequently Asked Questions</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/ir-grism-sky-images' class="offcanvas__section-link" >IR Grism Sky Images</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/wfc3-g141-calibrations' class="offcanvas__section-link" >WFC3 G141 Calibrations</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/wfc3-g280-calibrations' class="offcanvas__section-link" >WFC3 G280 Calibrations</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/wfc3-g102-calibrations' class="offcanvas__section-link" >WFC3 G102 Calibrations</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/documentation/grism-resources/uvis-grism-sky-images' class="offcanvas__section-link" >UVIS Grism Sky Images</a></li></ul></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/wfc3/documentation/conference-posters' class="offcanvas__section-link" >Conference Posters</a></li></ul></li><li 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href='/hst/instrumentation/focus-and-pointing/focus' class="offcanvas__section-link" >Focus</a><button class="offcanvas__section-toggle" id="Focus_57_control" type="button" aria-label="Focus submenu" aria-controls="Focus_57_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Focus_57_section" class="offcanvas__list" data-level="5" aria-labelledby="Focus_57_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/focus-and-pointing/focus/secondary-mirror-moves' class="offcanvas__section-link" >Secondary Mirror Moves</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/focus-and-pointing/focus/hst-focus-model' class="offcanvas__section-link" >HST Focus Model</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/focus-and-pointing/focus/tiny-tim-hst-psf-modeling' class="offcanvas__section-link" >Tiny Tim HST PSF Modeling</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/focus-and-pointing/pointing' class="offcanvas__section-link" >Pointing</a><button class="offcanvas__section-toggle" id="Pointing_58_control" type="button" aria-label="Pointing submenu" aria-controls="Pointing_58_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Pointing_58_section" class="offcanvas__list" data-level="5" aria-labelledby="Pointing_58_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/focus-and-pointing/pointing/jitter-file-format-definition' class="offcanvas__section-link" >Jitter File Format Definition</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/focus-and-pointing/pointing/determining-an-observations-orientation' class="offcanvas__section-link" >Determining an Observation’s Orientation</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/focus-and-pointing/fov-geometry' class="offcanvas__section-link" >FoV Geometry</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/focus-and-pointing/documentation' class="offcanvas__section-link" >Documentation</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/legacy' class="offcanvas__section-link" >Legacy Instruments</a><button class="offcanvas__section-toggle" id="Legacy_Instruments_59_control" type="button" aria-label="Legacy Instruments submenu" aria-controls="Legacy_Instruments_59_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Legacy_Instruments_59_section" class="offcanvas__list" data-level="4" aria-labelledby="Legacy_Instruments_59_control"><li class="offcanvas__item hasChildren firstInLevel"><a href='/hst/instrumentation/legacy/nicmos' class="offcanvas__section-link" >NICMOS</a><button class="offcanvas__section-toggle" id="NICMOS_60_control" type="button" aria-label="NICMOS submenu" aria-controls="NICMOS_60_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="NICMOS_60_section" class="offcanvas__list" data-level="5" aria-labelledby="NICMOS_60_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/legacy/nicmos/instrument-science-reports-isrs' class="offcanvas__section-link" >Instrument Science Reports (ISRs)</a></li></ul></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/legacy/wfpc2' class="offcanvas__section-link" >WFPC2</a><button class="offcanvas__section-toggle" id="WFPC2_61_control" type="button" aria-label="WFPC2 submenu" aria-controls="WFPC2_61_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="WFPC2_61_section" class="offcanvas__list" data-level="5" aria-labelledby="WFPC2_61_control"><li class="offcanvas__item noChildren firstInLevel lastInLevel"><a href='/hst/instrumentation/legacy/wfpc2/instrument-science-reports-isrs' class="offcanvas__section-link" >Instrument Science Reports (ISRs)</a></li></ul></li></ul></li><li class="offcanvas__item hasChildren lastInLevel"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools' class="offcanvas__section-link" >Reference Data for Calibration and Tools</a><button class="offcanvas__section-toggle" id="Reference_Data_for_Calibration_and_Tools_62_control" type="button" aria-label="Reference Data for Calibration and Tools submenu" aria-controls="Reference_Data_for_Calibration_and_Tools_62_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Reference_Data_for_Calibration_and_Tools_62_section" class="offcanvas__list" data-level="4" aria-labelledby="Reference_Data_for_Calibration_and_Tools_62_control"><li class="offcanvas__item noChildren firstInLevel"><a href='https://hst-crds.stsci.edu/' class="offcanvas__section-link" target='_blank' >Calibration Reference Data System (CRDS)</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/file-and-table-structures' class="offcanvas__section-link" >File and Table Structures</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/reference-file-retreival-instructions' class="offcanvas__section-link" >Reference File Retrieval Instructions</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/legacy-instrument-reference-files' class="offcanvas__section-link" >Legacy Instrument Reference Files</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/synphot-throughput-tables' class="offcanvas__section-link" >Synphot Throughput Tables</a></li><li class="offcanvas__item hasChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs' class="offcanvas__section-link" >Astronomical Catalogs</a><button class="offcanvas__section-toggle" id="Astronomical_Catalogs_63_control" type="button" aria-label="Astronomical Catalogs submenu" aria-controls="Astronomical_Catalogs_63_section" tabindex="-1" aria-expanded="false"><span class="svg-sprite -plus"><svg role="img" aria-label="open section"><use xlink:href="#plus"></use></svg></span><span class="svg-sprite -slider-dash"><svg role="img" aria-label="close section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Astronomical_Catalogs_63_section" class="offcanvas__list" data-level="5" aria-labelledby="Astronomical_Catalogs_63_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/the-agn-atlas' class="offcanvas__section-link" >The AGN Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/atmo-2020-atmosphere-models' class="offcanvas__section-link" >ATMO 2020 Atmosphere Models</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/brown-dwarfs-and-substellar-objects' class="offcanvas__section-link" >Brown Dwarfs and Substellar Objects</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/bruzual-atlas' class="offcanvas__section-link" >Bruzual Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/the-bruzual-charlot-atlas' class="offcanvas__section-link" >The Bruzual-Charlot Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/bruzual-and-charlot-2003' class="offcanvas__section-link" >Bruzual and Charlot 2003</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/bruzual-persson-gunn-stryker-atlas-list' class="offcanvas__section-link" >Bruzual-Persson-Gunn-Stryker Atlas list</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/buser-kurucz-atlas' class="offcanvas__section-link" >Buser-Kurucz Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calobs' class="offcanvas__section-link" >CALOBS</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec' class="offcanvas__section-link" >CALSPEC</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/castelli-and-kurucz-atlas' class="offcanvas__section-link" >Castelli and Kurucz Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/composite-qso-spectra-for-nir' class="offcanvas__section-link" >Composite QSO Spectra for NIR</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/the-galactic-emission-line-object-atlas' class="offcanvas__section-link" >The Galactic Emission Line Object Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/gunn-stryker-atlas-list' class="offcanvas__section-link" >Gunn-Stryker Atlas list</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/interstellar-extinction-curves' class="offcanvas__section-link" >Interstellar Extinction Curves</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/jacoby-hunter-christian-atlas' class="offcanvas__section-link" >Jacoby-Hunter-Christian Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/the-kinney-calzetti-spetral-atlas' class="offcanvas__section-link" >The Kinney-Calzetti Spectral Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/kinney-models' class="offcanvas__section-link" >Kinney Models</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/kurucz-1993-models' class="offcanvas__section-link" >Kurucz 1993 Models</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/non-stellar-spectra' class="offcanvas__section-link" >Non-Stellar Spectra</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/novae-models' class="offcanvas__section-link" >Novae Models</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/phoenix-models-available-in-synphot' class="offcanvas__section-link" >Phoenix Models available in Synphot</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/planetary-nebula-spectra' class="offcanvas__section-link" >Planetary Nebula Spectra</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/pickles-atlas' class="offcanvas__section-link" >Pickles Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/simple-stellar-population-atlas' class="offcanvas__section-link" >Simple Stellar Population Atlas</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/solar-system-objects-spectra' class="offcanvas__section-link" >Solar System Objects Spectra</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/swire-galaxies' class="offcanvas__section-link" >SWIRE Galaxies</a></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/the-trds-brown-atlas' class="offcanvas__section-link" >The TRDS Brown Atlas</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/trds-brown19-spectra-of-agns' class="offcanvas__section-link" >TRDS Brown19 Spectra of AGNs</a></li></ul></li><li class="offcanvas__item noChildren"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/modewave-data' class="offcanvas__section-link" >Modewave Data</a></li><li class="offcanvas__item noChildren lastInLevel"><a href='/hst/instrumentation/reference-data-for-calibration-and-tools/documentation' class="offcanvas__section-link" 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section"><use xlink:href="#slider-dash"></use></svg></span></button><ul role="list" id="Science_Operations_Design_Reference_Mission_-SODRM-_69_section" class="offcanvas__list" data-level="5" aria-labelledby="Science_Operations_Design_Reference_Mission_-SODRM-_69_control"><li class="offcanvas__item noChildren firstInLevel"><a href='/jwst/about-jwst/history/science-operations-design-reference-mission-sodrm/solar-system-programs' class="offcanvas__section-link" >Solar System Programs</a></li><li class="offcanvas__item noChildren"><a href='/jwst/about-jwst/history/science-operations-design-reference-mission-sodrm/exoplanet-programs' class="offcanvas__section-link" >Exoplanet Programs</a></li><li class="offcanvas__item noChildren"><a href='/jwst/about-jwst/history/science-operations-design-reference-mission-sodrm/galactic-programs' class="offcanvas__section-link" >Galactic Programs</a></li><li class="offcanvas__item noChildren"><a 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/files/live/sites/www/files/home/who-we-are/_images/Banner-WhoWeAre-001.jpg?t=tn2000 2000w" sizes="100vw" /></noscript></div> <div class="container-fluid breadcrumbs-container"> <nav class="breadcrumbs-share row hidden-xs hidden-sm" aria-label="Breadcrumb" data-module-dynamic="toggle-links-display"> <div class="col-sm-12"> <h2 id="h2-sr-only-breadcrumbs-navigation" class="sr-only">Breadcrumbs Navigation</h2> <ul role="list" class="breadcrumbs"> <li class="breadcrumb"> <a href="/home"> <span>Home</span></a> </li> <li class="breadcrumb"> <a href="/who-we-are"> <span>Who We Are</span></a> </li> </ul> </div> </nav> </div><div class="main"> <section id="section-168ec72d-204c-43ae-be69-5c26b13a74ba" data-name="section-2023-annual-report" class="section-row none" > <h2 id="h2-sr-only-168ec72d-204c-43ae-be69-5c26b13a74ba" data-name="h2-sr-only-2023-annual-report" class="sr-only" data-include-in-navigation="true"> 2023 Annual Report</h2> <div class="component-block container-fluid"> <p data-index="0"><img alt="Long horizontal banner is split into five sections. From left to right: Hubble image of M76, a multi-colored planetary nebula made up of two translucent orange and blue orbs attached by a white band in the center. A mosaic of mainly black-and-white astronomical images, with a few slightly larger images representing MAST missions. Webb image of interacting galaxies Arp 142, looking like a semi-translucent egg at bottom left and a large penguin at center right. An illustration represents the Nancy Grace Roman Space Telescope, showing two figures looking at a spiral galaxy on a large screen. At far right, the cover is in shades of blue with illustrations of a Maryland blue crab and the Baltimore skyline in shades of gray. The cover includes text at top: expanding the frontiers of space astronomy, ’24 in review. The Space Telescope Science Institute logo is at bottom right." class="embedded-img lazyload no-lightbox" data-img-title="STScI Annual Report 2024" data-lazy-srcset="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Poster-Opener.jpg?t=tn370 370w, /files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Poster-Opener.jpg?t=tn768 768w, /files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Poster-Opener.jpg?t=tn992 992w, /files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Poster-Opener.jpg?t=tn1200 1200w, /files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Poster-Opener.jpg?t=tn2400 2400w" srcset="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Poster-Opener.jpg?t=tn370 370w, /files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Poster-Opener.jpg?t=tn768 768w, /files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Poster-Opener.jpg?t=tn992 992w, /files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Poster-Opener.jpg?t=tn1200 1200w, /files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Poster-Opener.jpg?t=tn2400 2400w" sizes="(max-width: 370px) 370px, (max-width: 768px) 768px, (max-width: 992px) 992px, (max-width: 1200px) 1200px, (max-width: 1600px) 1600px, (max-width: 2400px) 2400px, 2400px" height="788" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" width="2420" /></p> <h3 data-index="0" data-name="h4-featured-articles" id="h3-CK-782e242a-5479-40c4-b6cb-70682a42c7d6">2024 Featured Articles</h3> <p><a href="/contents/annual-reports/2024/letter-from-the-director"><strong>Letter from the Director</strong></a><br /> Dr. Jennifer Lotz reflects on Webb’s top-tier science, Hubble’s outstanding scientific productivity, and preparations for Roman.</p> <p><a href="/contents/annual-reports/2024/making-extraordinary-science-ordinary"><strong>Making Extraordinary Science Ordinary</strong></a><br /> The Hubble Space Telescope continued to guide discoveries with a “steady hand” and new pointing mode.</p> <p><a href="/contents/annual-reports/2024/the-wow-factor"><strong>The Wow Factor</strong></a><br /> STScI staff continued to facilitate revolutionary science with Webb, going beyond previous boundaries of knowledge, efficiency, and excellence.</p> <p><a href="/contents/annual-reports/2024/centered-on-community"><strong>Centered on Community</strong></a><br /> Roman is a vastly different mission than previous NASA flagship missions. Learn how teams at the institute are preparing and building networks along the way.</p> <p><a href="/contents/annual-reports/2024/standing-the-test-of-time"><strong>Standing the Test of Time</strong></a><br /> Our staff continue to take a forward-thinking approach when it comes to preserving and accessing telescope data.</p> <p><a href="/contents/annual-reports/2024/making-great-strides"><strong>Making Great Strides</strong></a><br /> Staff in STScI’s Russell B. Makidon Optics Laboratory advanced experiments to demonstrate how we can image and characterize Earth-like exoplanets with a future space telescope that has a segmented mirror.</p> <p><a href="/contents/annual-reports/2024/where-data-and-people-meet"><strong>Where Data and People Meet</strong></a><br /> A team explains the highly collaborative Roman Research Nexus, including its future impact on science.</p> <p><a href="/contents/annual-reports/2024/in-the-news"><strong>In the News</strong></a><br /> Revisit the biggest Hubble and Webb headlines of 2024.</p> <p><a href="/contents/annual-reports/2024/advancing-tools-technologies-and-scientific-knowledge"><strong>Advancing Tools, Technologies, and Scientific Knowledge</strong> </a><br /> The hundreds of articles published by STScI staff in 2024 demonstrate the institute’s dedication to research supporting current and future exploration of the universe.</p> <p><a href="/contents/annual-reports/2024/paving-multiple-pathways-to-the-universe"><strong>Paving Multiple Pathways to the Universe</strong></a><br /> Our public engagement staff took various approaches, previously practiced and new, to navigate to a shared goal: making astronomy accessible to all.</p> <p><strong><a href="/contents/annual-reports/2024/by-the-numbers">By the Numbers</a></strong><br /> Hubble and Webb are in high demand by the worldwide scientific community.</p> <p><a class="btn" href="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_documents/STScI-2024-annual-report-poster.pdf" target="_blank">Download a Large-Scale Poster</a> </p> <script>hljs.initHighlightingOnLoad();</script> </div></section><section id="section-e358b07f-a6b5-43f8-80d4-c01f1cc3d784" data-name="section-about-the-annual-report-archive" class="section-row none" > <h2 id="h2-sr-only-e358b07f-a6b5-43f8-80d4-c01f1cc3d784" data-name="h2-sr-only-about-the-annual-report-archive" class="sr-only" data-include-in-navigation="false"> About the Annual Report Archive</h2> <section id="section-ef46c370-9e3d-4596-a1f3-262fdd833df3" data-name="section-annual-report-archive" class="section-row light-background-stsci-light-grey" > <div class="component-block container-fluid"> <div class="row"> <div class="section-header col-xs-12 text-center"> <h2 id="h2-ef46c370-9e3d-4596-a1f3-262fdd833df3" data-name="h2-annual-report-archive" class="section-header__title" data-include-in-navigation="false"> Annual Report Archive</h2> </div> </div> </div> <div class="component-block container-fluid"> <p>Want to know more about the institute’s missions, divisions, and initiatives? Filter by topic, year, or keyword to explore the institute’s accomplishments since 1999.</p> <script>hljs.initHighlightingOnLoad();</script> </div></section>   <div class="filter-bar-container" > <section id="section-filter-5176b103-d1bc-48a1-82f4-19f5a98d6c53" class="section-row none" aria-labelledby="h3-5176b103-d1bc-48a1-82f4-19f5a98d6c53"> <div class="component-block container-fluid"> <section id="5176b103-d1bc-48a1-82f4-19f5a98d6c53" class="filter-bar content-section-1" data-module-dynamic="filter-bar"> <button class="btn filter-bar__collapser collapsed" data-collapse-filters="" data-target=".filter-bar__content" data-toggle="collapse" type="button"> <span class="filter-bar__collapser-text">Filter Articles</span> <span class="svg-sprite -hamburger"> <svg aria-label="Show " role="img"><use xlink:href="#hamburger" xmlns:xlink="http://www.w3.org/1999/xlink"></use></svg> </span> <span class="svg-sprite -close"> <svg aria-label="Hide " role="img"><use xlink:href="#close" 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class="no-marker" aria-labelledby="h3-sr-only-5176b103-d1bc-48a1-82f4-19f5a98d6c53"> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-34757ac6-8de6-4e4e-8b2c-696117559424" aria-describedby="card-read-more-34757ac6-8de6-4e4e-8b2c-696117559424"> <a href="/contents/annual-reports/2024/letter-from-the-director" class="has-icon no-file-icon card-link" > Letter from the Director</a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2024 ANNUAL REPORT ARTICLE</div> </div> <p class="news-item__summary"> Dr. Jennifer Lotz reflects on Webb’s top-tier science, Hubble’s outstanding scientific productivity, and preparations for Roman.</p> <p> <span class="arrow-link" data-href="/cms/render/live/en/sites/www/contents/annual-reports/2024/letter-from-the-director.html" id="card-read-more-34757ac6-8de6-4e4e-8b2c-696117559424" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="Head-and-shoulders portrait of STScI’s Director Jennifer Lotz, a woman with bob-length brown hair and brown eyes, who is smiling at the camera. She is dressed in a formal black jacket and red turtleneck sweater. The background is a portion of Webb’s near- and mid-infrared image of Digel Cloud 2, a region on the outskirts of the Milky Way galaxy, which contains a bright star cluster." class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-LetterFromDirector-opener-2400x1200.jpg" /></picture><noscript><img alt="Head-and-shoulders portrait of STScI’s Director Jennifer Lotz, a woman with bob-length brown hair and brown eyes, who is smiling at the camera. She is dressed in a formal black jacket and red turtleneck sweater. The background is a portion of Webb’s near- and mid-infrared image of Digel Cloud 2, a region on the outskirts of the Milky Way galaxy, which contains a bright star cluster." class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-LetterFromDirector-opener-2400x1200.jpg" /></noscript></div> </article></li> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-0279f9a7-4256-4371-a759-ceb657f48891" aria-describedby="card-read-more-0279f9a7-4256-4371-a759-ceb657f48891"> <a href="/contents/annual-reports/2024/making-extraordinary-science-ordinary" class="has-icon no-file-icon card-link" > Making Extraordinary Science Ordinary</a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2024 ANNUAL REPORT ARTICLE</div> </div> <p class="news-item__summary"> The Hubble Space Telescope continued to guide discoveries with a “steady hand” and new pointing mode.</p> <p> <span class="arrow-link" data-href="/cms/render/live/en/sites/www/contents/annual-reports/2024/making-extraordinary-science-ordinary.html" id="card-read-more-0279f9a7-4256-4371-a759-ceb657f48891" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="A bright binary star surrounded by a colorful nebula on the black background of space. The star in the center is a large white spot surrounded by a circular glow. It has a large, X-shaped set of diffraction spikes around it. The nebula extends far above, below, left, and right of the star in long, arcing shapes made of thin, multicolored filaments — mostly red and greenish colors, but lit in a bright blue-green near the star where its light illuminates the gas." class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Hubble-opener-1200x600.jpg" /></picture><noscript><img alt="A bright binary star surrounded by a colorful nebula on the black background of space. The star in the center is a large white spot surrounded by a circular glow. It has a large, X-shaped set of diffraction spikes around it. The nebula extends far above, below, left, and right of the star in long, arcing shapes made of thin, multicolored filaments — mostly red and greenish colors, but lit in a bright blue-green near the star where its light illuminates the gas." class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Hubble-opener-1200x600.jpg" /></noscript></div> </article></li> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-1febf7e8-8fbd-47be-b8a5-09ffa6164917" aria-describedby="card-read-more-1febf7e8-8fbd-47be-b8a5-09ffa6164917"> <a href="/contents/annual-reports/2024/the-wow-factor" class="has-icon no-file-icon card-link" > The Wow Factor</a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2024 ANNUAL REPORT ARTICLE</div> </div> <p class="news-item__summary"> STScI staff continued to facilitate revolutionary science with Webb, going beyond previous boundaries of knowledge, efficiency, and excellence.</p> <p> <span class="arrow-link" data-href="/cms/render/live/en/sites/www/contents/annual-reports/2024/the-wow-factor.html" id="card-read-more-1febf7e8-8fbd-47be-b8a5-09ffa6164917" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="A young star-forming region is filled with wispy orange, red, and blue layers of gas and dust. The upper-left corner of the image is filled with mostly orange dust, and within that orange dust, there are several small red plumes of gas that extend from the top left to the bottom right, at the same angle. The center of the image is filled with mostly blue gas. At the center, there is one particularly bright star, that has an hourglass shadow above and below it. To the right of that is what looks like a vertical eye-shaped crevice with a bright star at the center. The gas to the right of the crevice is a darker orange. Small points of light are sprinkled across the field, brightest sources in the field have extensive eight-pointed diffraction spikes that are characteristic of the James Webb Space Telescope." class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Webb-opener-1200x600.jpg" /></picture><noscript><img alt="A young star-forming region is filled with wispy orange, red, and blue layers of gas and dust. The upper-left corner of the image is filled with mostly orange dust, and within that orange dust, there are several small red plumes of gas that extend from the top left to the bottom right, at the same angle. The center of the image is filled with mostly blue gas. At the center, there is one particularly bright star, that has an hourglass shadow above and below it. To the right of that is what looks like a vertical eye-shaped crevice with a bright star at the center. The gas to the right of the crevice is a darker orange. Small points of light are sprinkled across the field, brightest sources in the field have extensive eight-pointed diffraction spikes that are characteristic of the James Webb Space Telescope." class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Webb-opener-1200x600.jpg" /></noscript></div> </article></li> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-d4268388-6d29-4279-a123-9e96b1079534" aria-describedby="card-read-more-d4268388-6d29-4279-a123-9e96b1079534"> <a href="/contents/annual-reports/2024/centered-on-community" class="has-icon no-file-icon card-link" > Centered on Community</a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2024 ANNUAL REPORT ARTICLE</div> </div> <p class="news-item__summary"> Roman is a vastly different mission than previous NASA flagship missions. Learn how teams at the institute are preparing and building networks along the way.</p> <p> <span class="arrow-link" data-href="/cms/render/live/en/sites/www/contents/annual-reports/2024/centered-on-community.html" id="card-read-more-d4268388-6d29-4279-a123-9e96b1079534" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="Illustration shows galaxies and stars, of various sizes and colors, against the black background of space." class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Roman-opener-2400x1200.jpg" /></picture><noscript><img alt="Illustration shows galaxies and stars, of various sizes and colors, against the black background of space." class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Roman-opener-2400x1200.jpg" /></noscript></div> </article></li> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-0d2de49c-e2ef-4b3b-8eb0-fa678dcca0ed" aria-describedby="card-read-more-0d2de49c-e2ef-4b3b-8eb0-fa678dcca0ed"> <a href="/contents/annual-reports/2024/standing-the-test-of-time" class="has-icon no-file-icon card-link" > Standing the Test of Time</a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2024 ANNUAL REPORT ARTICLE</div> </div> <p class="news-item__summary"> Our staff continue to take a forward-thinking approach when it comes to preserving and accessing telescope data.</p> <p> <span class="arrow-link" data-href="/cms/render/live/en/sites/www/contents/annual-reports/2024/standing-the-test-of-time.html" id="card-read-more-0d2de49c-e2ef-4b3b-8eb0-fa678dcca0ed" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="Stars, galaxies, and rainbow-colored vertical lines are scattered across a solid black background. Most of the stars appear as small specks, but some have small diffraction spikes. The galaxies vary in size, shape, and detail. The rainbow-colored vertical lines are heaviest toward the center and top of the frame. Most of them are thin and clearly defined, but some are slightly thicker and brighter with a surrounding glow." class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-MAST-opener-1200x600.jpg" /></picture><noscript><img alt="Stars, galaxies, and rainbow-colored vertical lines are scattered across a solid black background. Most of the stars appear as small specks, but some have small diffraction spikes. The galaxies vary in size, shape, and detail. The rainbow-colored vertical lines are heaviest toward the center and top of the frame. Most of them are thin and clearly defined, but some are slightly thicker and brighter with a surrounding glow." class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-MAST-opener-1200x600.jpg" /></noscript></div> </article></li> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-d2dd063e-b79a-4ae4-bc52-c02da8902a53" aria-describedby="card-read-more-d2dd063e-b79a-4ae4-bc52-c02da8902a53"> <a href="/contents/annual-reports/2024/making-great-strides" class="has-icon no-file-icon card-link" > Making Great Strides</a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2024 ANNUAL REPORT ARTICLE</div> </div> <p class="news-item__summary"> Staff in STScI’s Russell B. Makidon Optics Laboratory advanced experiments to demonstrate how we can image and characterize Earth-like exoplanets with a future space telescope that has a segmented mirror.</p> <p> <span class="arrow-link" data-href="/cms/render/live/en/sites/www/contents/annual-reports/2024/making-great-strides.html" id="card-read-more-d2dd063e-b79a-4ae4-bc52-c02da8902a53" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="Illustration of a planet on the black background of space. Only a portion of the large planet is shown. The top portion of the planet is lit, while the rest is in shadow. The planet has an atmosphere, white clouds spread across the top, with some pink layers peeking out below them. The edges appear light purple. " class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Optics-Lab-opener-1200x600.jpg" /></picture><noscript><img alt="Illustration of a planet on the black background of space. Only a portion of the large planet is shown. The top portion of the planet is lit, while the rest is in shadow. The planet has an atmosphere, white clouds spread across the top, with some pink layers peeking out below them. The edges appear light purple. " class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Optics-Lab-opener-1200x600.jpg" /></noscript></div> </article></li> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-1932733e-bd76-40e5-a87d-2ea0cf088ded" aria-describedby="card-read-more-1932733e-bd76-40e5-a87d-2ea0cf088ded"> <a href="/contents/annual-reports/2024/where-data-and-people-meet" class="has-icon no-file-icon card-link" > Where Data and People Meet</a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2024 ANNUAL REPORT ARTICLE</div> </div> <p class="news-item__summary"> A team explains the highly collaborative Roman Research Nexus, including its future impact on science.</p> <p> <span class="arrow-link" data-href="/cms/render/live/en/sites/www/contents/annual-reports/2024/where-data-and-people-meet.html" id="card-read-more-1932733e-bd76-40e5-a87d-2ea0cf088ded" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="An illustration showing multiple semi-transparent screens with data against a navy background with columns of faint zeroes and ones, binary code." class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Engineering-Roman-Researchers-Opener.jpg" /></picture><noscript><img alt="An illustration showing multiple semi-transparent screens with data against a navy background with columns of faint zeroes and ones, binary code." class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Engineering-Roman-Researchers-Opener.jpg" /></noscript></div> </article></li> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-4b073478-b457-4c92-b846-78e74d20e86a" aria-describedby="card-read-more-4b073478-b457-4c92-b846-78e74d20e86a"> <a href="/contents/annual-reports/2024/in-the-news" class="has-icon no-file-icon card-link" > In the News</a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2024 ANNUAL REPORT ARTICLE</div> </div> <p class="news-item__summary"> Revisit the biggest Hubble and Webb headlines of 2024.</p> <p> <span class="arrow-link" data-href="/cms/render/live/en/sites/www/contents/annual-reports/2024/in-the-news.html" id="card-read-more-4b073478-b457-4c92-b846-78e74d20e86a" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="Two spiral galaxies take the shape of a colorful beaded mask that sits above the nose. The galaxy at left, IC 2163, is smaller, taking up a little over a quarter of the view. The galaxy at right, NGC 2207, takes up half the view, with its spiral arms reaching the edges. IC 2163 has a bright orange core, with two prominent spiral arms that rotate counterclockwise and become straighter towards the ends, the left side extending almost to the edge. Its arms are a mix of pink, white, and blue, with an area that takes the shape of an eyelid appearing whitest. NGC 2207 has a very bright core. Overall, it appears to have larger, thicker spiral arms that spin counterclockwise. This galaxy also contains more and larger blue areas of star formation that poke out like holes from the pink spiral arms. In the middle, the galaxies’ arms appear to overlap. The edges show the black background of space, including extremely distant galaxies that look like orange and red smudges, and a few foreground stars." class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-News-Roundup-opener-1200x600.jpg" /></picture><noscript><img alt="Two spiral galaxies take the shape of a colorful beaded mask that sits above the nose. The galaxy at left, IC 2163, is smaller, taking up a little over a quarter of the view. The galaxy at right, NGC 2207, takes up half the view, with its spiral arms reaching the edges. IC 2163 has a bright orange core, with two prominent spiral arms that rotate counterclockwise and become straighter towards the ends, the left side extending almost to the edge. Its arms are a mix of pink, white, and blue, with an area that takes the shape of an eyelid appearing whitest. NGC 2207 has a very bright core. Overall, it appears to have larger, thicker spiral arms that spin counterclockwise. This galaxy also contains more and larger blue areas of star formation that poke out like holes from the pink spiral arms. In the middle, the galaxies’ arms appear to overlap. The edges show the black background of space, including extremely distant galaxies that look like orange and red smudges, and a few foreground stars." class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-News-Roundup-opener-1200x600.jpg" /></noscript></div> </article></li> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-beeb4959-bc77-4c2a-8d5f-70187cdb3574" aria-describedby="card-read-more-beeb4959-bc77-4c2a-8d5f-70187cdb3574"> <a href="/contents/annual-reports/2024/advancing-tools-technologies-and-scientific-knowledge" class="has-icon no-file-icon card-link" > Advancing Tools, Technologies, and Scientific Knowledge </a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2024 ANNUAL REPORT ARTICLE</div> </div> <p class="news-item__summary"> The hundreds of articles published by STScI staff in 2024 demonstrate the institute’s dedication to research supporting current and future exploration of the universe.</p> <p> <span class="arrow-link" data-href="/cms/render/live/en/sites/www/contents/annual-reports/2024/advancing-tools-technologies-and-scientific-knowledge.html" id="card-read-more-beeb4959-bc77-4c2a-8d5f-70187cdb3574" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="A side-by-side-comparison of the Crab Nebula as seen by the Hubble Space Telescope in visible light (left) and the James Webb Space Telescope in infrared light (right). In both images, the oval nebula’s complex structure lies against a black background. On the nebula’s exterior, particularly at the top left and bottom left, lie curtains of glowing red and orange fluffy material. Interior to this outer shell lie large-scale loops of mottled filaments of yellow-white and green, studded with clumps and knots. In the Hubble image, the central interior of the nebula glows brightly, while the Webb image shows translucent thin ribbons of smoky white in the same area. Around and within the supernova remnant are many points of blue-white light in the Hubble image, and blue, red, and yellow light in the Webb image." class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Staff-Publications-Crab-Nebula-opener.png" /></picture><noscript><img alt="A side-by-side-comparison of the Crab Nebula as seen by the Hubble Space Telescope in visible light (left) and the James Webb Space Telescope in infrared light (right). In both images, the oval nebula’s complex structure lies against a black background. On the nebula’s exterior, particularly at the top left and bottom left, lie curtains of glowing red and orange fluffy material. Interior to this outer shell lie large-scale loops of mottled filaments of yellow-white and green, studded with clumps and knots. In the Hubble image, the central interior of the nebula glows brightly, while the Webb image shows translucent thin ribbons of smoky white in the same area. Around and within the supernova remnant are many points of blue-white light in the Hubble image, and blue, red, and yellow light in the Webb image." class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-Staff-Publications-Crab-Nebula-opener.png" /></noscript></div> </article></li> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-f4d85fc7-da9f-4b25-a115-725b362d23b8" aria-describedby="card-read-more-f4d85fc7-da9f-4b25-a115-725b362d23b8"> <a href="/contents/annual-reports/2024/paving-multiple-pathways-to-the-universe" class="has-icon no-file-icon card-link" > Paving Multiple Pathways to the Universe</a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2024 ANNUAL REPORT ARTICLE</div> </div> <p class="news-item__summary"> Our public engagement staff took various approaches, previously practiced and new, to navigate to a shared goal: making astronomy accessible to all.</p> <p> <span class="arrow-link" data-href="/cms/render/live/en/sites/www/contents/annual-reports/2024/paving-multiple-pathways-to-the-universe.html" id="card-read-more-f4d85fc7-da9f-4b25-a115-725b362d23b8" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="A dense crowd of people on a racetrack gaze upward toward the sky. Most people are wearing eclipse glasses and are standing. Elements of the racetrack’s architecture are seen toward the left and right sides of the image, including a tall tower with glass windows. The sky is light blue with clouds." class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-OPO-opener-1200x600.jpg" /></picture><noscript><img alt="A dense crowd of people on a racetrack gaze upward toward the sky. Most people are wearing eclipse glasses and are standing. Elements of the racetrack’s architecture are seen toward the left and right sides of the image, including a tall tower with glass windows. The sky is light blue with clouds." class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24-OPO-opener-1200x600.jpg" /></noscript></div> </article></li> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-40cdadf1-41f9-41a0-af64-6aaf7bf7604b" aria-describedby="card-read-more-40cdadf1-41f9-41a0-af64-6aaf7bf7604b"> <a href="/contents/annual-reports/2024/by-the-numbers" class="has-icon no-file-icon card-link" > By the Numbers</a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2024 ANNUAL REPORT ARTICLE</div> </div> <p class="news-item__summary"> Hubble and Webb are in high demand by the worldwide scientific community.</p> <p> <span class="arrow-link" data-href="/cms/render/live/en/sites/www/contents/annual-reports/2024/by-the-numbers.html" id="card-read-more-40cdadf1-41f9-41a0-af64-6aaf7bf7604b" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="" class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/_images/Banner-WhoWeAre-001.jpg" /></picture><noscript><img alt="" class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/_images/Banner-WhoWeAre-001.jpg" /></noscript></div> </article></li> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-bbbdc4ef-6745-435b-b326-e8982604f649" aria-describedby="card-read-more-bbbdc4ef-6745-435b-b326-e8982604f649"> <a href="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_documents/STScI-2024-annual-report-poster.pdf" class="has-icon no-file-icon card-link" target="target="_blank""> 2024 Annual Report Poster</a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2024 ANNUAL REPORT ARTICLE</div> </div> <p> <span class="arrow-link" data-href="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_documents/STScI-2024-annual-report-poster.pdf" id="card-read-more-bbbdc4ef-6745-435b-b326-e8982604f649" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="2024 STScI Annual Report" class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24FilterBar-1200x600.jpg" /></picture><noscript><img alt="2024 STScI Annual Report" class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2024/AR24FilterBar-1200x600.jpg" /></noscript></div> </article></li> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-b794d7f8-708a-4690-a2f7-f7daabb97414" aria-describedby="card-read-more-b794d7f8-708a-4690-a2f7-f7daabb97414"> <a href="/contents/annual-reports/2023/letter-from-the-interim-director" class="has-icon no-file-icon card-link" > Letter from the Interim Director</a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2023 ANNUAL REPORT ARTICLE</div> </div> <p class="news-item__summary"> Dr. Nancy Levenson reflects on Hubble and Webb’s scientific discoveries, Roman’s milestones, and shares details about two new large observing programs. </p> <p> <span class="arrow-link" data-href="/cms/render/live/en/sites/www/contents/annual-reports/2023/letter-from-the-interim-director.html" id="card-read-more-b794d7f8-708a-4690-a2f7-f7daabb97414" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="Head-and-shoulders portrait of STScI’s Interim Director Nancy Levenson, a white woman with short brown hair and blue eyes, who is smiling at the camera. She is dressed in a formal black jacket and scoop neck top. The background is a portion of Hubble's image of Westerlund 2, a giant cluster of thousands of stars." class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2023/AR23-Letter-levenson.jpg" /></picture><noscript><img alt="Head-and-shoulders portrait of STScI’s Interim Director Nancy Levenson, a white woman with short brown hair and blue eyes, who is smiling at the camera. She is dressed in a formal black jacket and scoop neck top. The background is a portion of Hubble's image of Westerlund 2, a giant cluster of thousands of stars." class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2023/AR23-Letter-levenson.jpg" /></noscript></div> </article></li> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-58aab68b-54d3-4a2a-9c4e-37ed3051372b" aria-describedby="card-read-more-58aab68b-54d3-4a2a-9c4e-37ed3051372b"> <a href="/contents/annual-reports/2023/building-an-ultraviolet-legacy" class="has-icon no-file-icon card-link" > Building an Ultraviolet Legacy</a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2023 ANNUAL REPORT ARTICLE</div> </div> <p class="news-item__summary"> Hubble team members reflect on the completion of one of the telescope’s most ambitious observation programs and the impact it’s already having in astronomy.</p> <p> <span class="arrow-link" data-href="/cms/render/live/en/sites/www/contents/annual-reports/2023/building-an-ultraviolet-legacy.html" id="card-read-more-58aab68b-54d3-4a2a-9c4e-37ed3051372b" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="A horizontal image with colors ranging from blue at left to golden in the middle and red at the right. On the left, a bright blue star is illuminating surrounding clouds of gas, making the left third of the image appear blue. To the right of the bright star, a couple dozen fainter stars shine yellow. One of them has a fuzzy, golden arc above. At the center of the image, a brighter yellow star illuminates surrounding gas. It is partially obscured by dark streaks and clouds of dust, making it resemble the moon on a cloudy evening. The right side is noticeably darker than the rest, with the exception of a dramatic splash of red almost like a bug splat on a windshield. A handful of faint red stars also appear there." class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2023/AR23-Hubble-opener-NGC-1333.jpg" /></picture><noscript><img alt="A horizontal image with colors ranging from blue at left to golden in the middle and red at the right. On the left, a bright blue star is illuminating surrounding clouds of gas, making the left third of the image appear blue. To the right of the bright star, a couple dozen fainter stars shine yellow. One of them has a fuzzy, golden arc above. At the center of the image, a brighter yellow star illuminates surrounding gas. It is partially obscured by dark streaks and clouds of dust, making it resemble the moon on a cloudy evening. The right side is noticeably darker than the rest, with the exception of a dramatic splash of red almost like a bug splat on a windshield. A handful of faint red stars also appear there." class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2023/AR23-Hubble-opener-NGC-1333.jpg" /></noscript></div> </article></li> <li> <article class="news-item card" data-module-dynamic="card"> <div class="news-item__content"> <h4 id="h4-filterable-content-type-cd3f4806-6d8e-4cd0-80ee-a25f288af90c" aria-describedby="card-read-more-cd3f4806-6d8e-4cd0-80ee-a25f288af90c"> <a href="/contents/annual-reports/2023/one-for-the-record-books" class="has-icon no-file-icon card-link" > One for the Record Books</a></h4> <div class="preheader preheader--news-listing-header"> <div class="preheader__item">2023 ANNUAL REPORT ARTICLE</div> </div> <p class="news-item__summary"> The institute and astronomy community began shifting from the thrill of Webb’s beginnings to the new reality of a successfully operating science mission.</p> <p> <span class="arrow-link" data-href="/cms/render/live/en/sites/www/contents/annual-reports/2023/one-for-the-record-books.html" id="card-read-more-cd3f4806-6d8e-4cd0-80ee-a25f288af90c" aria-hidden="true">Read More</span> </p> </div> <div class="news-item__image"> <picture class="stretch-container"><img alt="Webb’s view of the Rho Ophiuchi Cloud Complex. Red dual opposing jets coming from young stars fill the darker top half of the image, while a glowing pale-yellow, cave-like structure is bottom center, tilted toward two o’clock, with a bright star at its center. " class="lazyload" loading="lazy" src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2023/AR23-Webb-opener-RhoOph.jpg" /></picture><noscript><img alt="Webb’s view of the Rho Ophiuchi Cloud Complex. Red dual opposing jets coming from young stars fill the darker top half of the image, while a glowing pale-yellow, cave-like structure is bottom center, tilted toward two o’clock, with a bright star at its center. " class="noscript-img " src="/files/live/sites/www/files/home/who-we-are/stsci-annual-reports/_images/2023/AR23-Webb-opener-RhoOph.jpg" /></noscript></div> </article></li> </ol> </div> <nav class="pagination" aria-labelledby="Pagination-Bottom"> <h3 id="Pagination-Bottom" class="sr-only">Pagination Bottom</h3> <ol role="list" class="no-marker pagination-list" aria-labelledby="Pagination-Bottom"> <li class="pagination-link pagination-link__first disabled" aria-hidden='true'> <span class="sr-only-mobile">First</span> <span class="sr-only">Page</span> </li> <li class="pagination-link pagination-link__previous disabled" aria-hidden='true'> <span class="sr-only-mobile">Previous</span> <span class="sr-only">Page</span> </li> <li class="pagination-link " aria-current='page'> <a href="javascript:void(0)" data-form-data="itemsPerPage=15&page=1"> <span class="sr-only">Page</span> 1</a> </li> <li class="pagination-link " > <a href="javascript:void(0)" data-form-data="itemsPerPage=15&page=2"> 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