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id="metaslider_117"> <ul class='slides'> <li style="display: block; width: 100%;" class="slide-118 ms-image " aria-roledescription="slide" aria-label="slide-118"><img fetchpriority="high" decoding="async" src="https://www.sdss.org/wp-content/uploads/2022/04/sdss5-banner-1024x382.jpeg" height="382" width="1024" alt="" class="slider-117 slide-118" title="sdss5-banner" /><div class="caption-wrap"><div class="caption"><div class="homeslidertext">SDSS-V: PIONEERING PANOPTIC SPECTROSCOPY</div></div></div></li> <li style="display: none; width: 100%;" class="slide-119 ms-image " aria-roledescription="slide" aria-label="slide-119"><img decoding="async" src="https://www.sdss.org/wp-content/uploads/2022/04/star_galaxy_sky_milky_way_universe-137494-cropped-999x373.jpeg" height="382" width="1024" alt="" class="slider-117 slide-119" title="star_galaxy_sky_milky_way_universe-137494-cropped" /><div class="caption-wrap"><div class="caption"><div class="homeslidertext">SDSS-V: PIONEERING PANOPTIC SPECTROSCOPY</div></div></div></li> <li style="display: none; width: 100%;" class="slide-120 ms-image " aria-roledescription="slide" aria-label="slide-120"><img decoding="async" src="https://www.sdss.org/wp-content/uploads/2022/04/night_milkyway_night_sky_stars_clouds-92966-cropped-999x373.jpeg" height="382" width="1024" alt="" class="slider-117 slide-120" title="night_milkyway_night_sky_stars_clouds-92966-cropped" /><div class="caption-wrap"><div class="caption"><div class="homeslidertext">SDSS-V: PIONEERING PANOPTIC SPECTROSCOPY</div></div></div></li> <li style="display: none; width: 100%;" class="slide-121 ms-image " aria-roledescription="slide" aria-label="slide-121"><img loading="lazy" decoding="async" src="https://www.sdss.org/wp-content/uploads/2022/04/star_color_space_night_pink-1237396-cropped-999x373.jpeg" height="382" width="1024" alt="" class="slider-117 slide-121" title="star_color_space_night_pink-1237396-cropped" /><div class="caption-wrap"><div class="caption"><div class="homeslidertext">SDSS-V: PIONEERING PANOPTIC SPECTROSCOPY</div></div></div></li> <li style="display: none; width: 100%;" class="slide-122 ms-image " aria-roledescription="slide" aria-label="slide-122"><img loading="lazy" decoding="async" src="https://www.sdss.org/wp-content/uploads/2022/04/astronomy_galaxy_milky_way_night_sky_orbit_sky_stars-926554-cropped-999x373.jpeg" height="382" width="1024" alt="" class="slider-117 slide-122" title="astronomy_galaxy_milky_way_night_sky_orbit_sky_stars-926554-cropped" /><div class="caption-wrap"><div class="caption"><div class="homeslidertext">SDSS-V: PIONEERING PANOPTIC SPECTROSCOPY</div></div></div></li> </ul> </div> </div> </div> <p>SDSS-V is the first facility providing multi-epoch optical & IR spectroscopy across the entire sky, as well as offering contiguous integral-field spectroscopic coverage of the Milky Way and Local Volume galaxies. This panoptic spectroscopic survey continues the strong SDSS legacy of innovative data and collaboration infrastructure.</p> <div style="height:100px" aria-hidden="true" class="wp-block-spacer home-spacer"></div> <h2 class="wp-block-heading"><a href="/dr18/" data-type="page" data-id="36">Data</a></h2> <div id="metaslider-id-2719" style="width: 100%;" class="ml-slider-3-90-1 metaslider metaslider-flex metaslider-2719 ml-slider slidercaption ms-theme-simply-dark has-dots-nav" role="region" aria-roledescription="Slideshow" aria-label="DR18 on Home Page"> <div id="metaslider_container_2719"> <div id="metaslider_2719"> <ul class='slides'> <li style="display: block; width: 100%;" class="slide-2743 ms-image " aria-roledescription="slide" aria-label="slide-2743"><img loading="lazy" decoding="async" src="https://www.sdss.org/wp-content/uploads/2023/01/orion-for-databox.png" height="382" width="1024" alt="" class="slider-2719 slide-2743" title="orion-for-databox" /><div class="caption-wrap"><div class="caption"><div class="homeslidertext">DATA</div></div></div></li> <li style="display: none; width: 100%;" class="slide-2744 ms-image " aria-roledescription="slide" aria-label="slide-2744"><img loading="lazy" decoding="async" src="https://www.sdss.org/wp-content/uploads/2023/01/qso-for-data-box.png" height="382" width="1024" alt="" class="slider-2719 slide-2744" title="qso-for-data-box" /><div class="caption-wrap"><div class="caption"><div class="homeslidertext">DATA</div></div></div></li> <li style="display: none; width: 100%;" class="slide-2745 ms-image " aria-roledescription="slide" aria-label="slide-2745"><img loading="lazy" decoding="async" src="https://www.sdss.org/wp-content/uploads/2023/01/apogee-ir-milkyway-for-databox-1024x382.png" height="382" width="1024" alt="" class="slider-2719 slide-2745" title="apogee-ir-milkyway-for-databox" /><div class="caption-wrap"><div class="caption"><div class="homeslidertext">DATA</div></div></div></li> <li style="display: none; width: 100%;" class="slide-2746 ms-image " aria-roledescription="slide" aria-label="slide-2746"><img loading="lazy" decoding="async" src="https://www.sdss.org/wp-content/uploads/2023/01/milky-way-for-databox.png" height="382" width="1024" alt="" class="slider-2719 slide-2746" title="milky-way-for-databox" /><div class="caption-wrap"><div class="caption"><div class="homeslidertext">DATA</div></div></div></li> </ul> </div> </div> </div> <p>Our latest data release, <a href="/dr18/">DR18</a> is now live! This is the first data release for SDSS-V and contains targeting data for <a href="/dr18/bhm/">Black Hole Mapper</a> and <a href="/dr18/mwm/">Milky Way Mapper</a>, as well as <a href="/dr18/bhm/programs/spiders/#eFEDS-Summary">eFEDS spectra</a> and <a href="/dr18/data_access/value-added-catalogs/?vac_id=10001">value added catalogs.</a> Find out more about DR18 on the <a href="/dr18/">DR18 webpages</a>, and in the <a rel="noreferrer noopener" href="https://ui.adsabs.harvard.edu/abs/2023arXiv230107688A" target="_blank">DR18 paper</a>.</p> <p>If you are looking for previous data releases from SDSS-IV, then these are all still available! You can find them on our <a href="/dr18/completed_surveys/">completed surveys</a> page, and at the <a rel="noreferrer noopener" href="https://www.sdss4.org/" target="_blank">SDSS-IV webpages</a>. Completed surveys include the SDSS <a rel="noreferrer noopener" href="https://sdss4.org/dr17/imaging" target="_blank">Imaging and Legacy Survey,</a> <a href="http://classic.sdss.org/supernova/aboutsupernova.php" target="_blank" rel="noreferrer noopener">Supernova Survey</a>, <a rel="noreferrer noopener" href="https://www.sdss4.org/dr17/spectro/" target="_blank">SEGUE1/2</a>, <a rel="noreferrer noopener" href="https://www.sdss4.org/dr17/marvels/" target="_blank">MARVELS</a>, <a rel="noreferrer noopener" href="https://www.sdss4.org/dr17/spectro/" target="_blank">(e)BOSS</a>, <a rel="noreferrer noopener" href="https://www.sdss4.org/dr17/irspec/" target="_blank">APOGEE-1/2</a>, <a rel="noreferrer noopener" href="https://www.sdss4.org/dr17/manga/" target="_blank">MaNGA</a> and <a rel="noreferrer noopener" href="https://www.sdss4.org/dr17/mastar/" target="_blank">MaStar</a>.</p> <p>Our next data release will be DR19, and is currently scheduled for 2024.</p> <div style="height:100px" aria-hidden="true" class="wp-block-spacer home-spacer"></div> <h2 class="wp-block-heading" id="news"><a href="/news/" data-type="page" data-id="65">News</a></h2> <div id="metaslider-id-124" style="width: 100%;" class="ml-slider-3-90-1 metaslider metaslider-flex metaslider-124 ml-slider slidercaption ms-theme-default has-dots-nav" role="region" aria-roledescription="Slideshow" aria-label="Press Releases"> <div id="metaslider_container_124"> <div id="metaslider_124"> <ul class='slides'> <li style="display: block; width: 100%;" class="slide-3991 ms-image " aria-roledescription="slide" aria-label="slide-3991"><img loading="lazy" decoding="async" src="https://www.sdss.org/wp-content/uploads/2024/06/bal-preview.png" height="382" width="1024" alt="" class="slider-124 slide-3991" title="bal-preview" /><div class="caption-wrap"><div class="caption"><div> <h3><a href="/astronomers-find-quasar-winds-speeding-up/">Astronomers find quasar winds speeding up</a></h3> <div><a href="/astronomers-find-quasar-winds-speeding-up/"><strong>June 11, 2024</strong></a></div> <div> </div> <div><a href="/astronomers-find-quasar-winds-speeding-up/">A team of astronomers from the Sloan Digital Sky Survey has used eight years of careful, constant observations to discover unexpected changes in the winds surrounding a black hole.</a></div> </div></div></div></li> <li style="display: none; width: 100%;" class="slide-3897 ms-image " aria-roledescription="slide" aria-label="slide-3897"><a href="/barbenheimer-star/" target="_self"><img loading="lazy" decoding="async" src="https://www.sdss.org/wp-content/uploads/2024/01/press_comic_highres_numbers_1920-1024x382.jpg" height="382" width="1024" alt="" class="slider-124 slide-3897" title="press_comic_highres_numbers_1920" /></a><div class="caption-wrap"><div class="caption"><a href="/barbenheimer-star/"> </a><h3><a href="/barbenheimer-star/">The “Barbenheimer Star”: Evidence for Spectacular Nucleosynthesis in the Early Universe</a></h3><a href="/barbenheimer-star/"> </a><p><a href="/barbenheimer-star/"><strong>January 10, 2024</strong></a></p><a href="/barbenheimer-star/"> </a><p><a href="/barbenheimer-star/">Astronomy’s new blockbuster is now playing in New Orleans. Astronomers from the Sloan Digital Sky Survey (SDSS) have discovered evidence for what they call the “Barbenheimer Star” – an enormous ancient star that exploded in a way previously thought impossible, resulting in an unusual pattern of elemental ashes that left behind a trail of evidence still visible billions of years later.</a></p><a href="/barbenheimer-star/"> </a></div></div></li> <li style="display: none; width: 100%;" class="slide-3545 ms-image " aria-roledescription="slide" aria-label="slide-3545"><a href="/mapping-everything-everywhere-all-at-once" target="_self"><img loading="lazy" decoding="async" src="https://www.sdss.org/wp-content/uploads/2023/08/red-lvm-night-1024x382.png" height="382" width="1024" alt="" class="slider-124 slide-3545" title="red-lvm-night" /></a><div class="caption-wrap"><div class="caption"><a href="mapping-everything-everywhere-all-at-once"> </a><h3><a href="mapping-everything-everywhere-all-at-once">Mapping Everything Everywhere All At Once</a></h3><a href="mapping-everything-everywhere-all-at-once"> </a><p><a href="mapping-everything-everywhere-all-at-once"><strong>August 2, 2023</strong></a></p><a href="mapping-everything-everywhere-all-at-once"> </a><p><a href="mapping-everything-everywhere-all-at-once">The newest mapmaking effort of the long-running Sloan Digital Sky Survey has begun. The Local Volume Mapper (LVM) Instrument has seen first science light.</a></p><a href="mapping-everything-everywhere-all-at-once"> </a></div></div></li> <li style="display: none; width: 100%;" class="slide-128 ms-image " aria-roledescription="slide" aria-label="slide-128"><a href="/sdss-vs-robots-turn-their-eyes-to-the-sky/" target="_self"><img loading="lazy" decoding="async" src="https://www.sdss.org/wp-content/uploads/2022/04/robot-feature-image-1024x382-1.png" height="382" width="1024" alt="" class="slider-124 slide-128" title="robot-feature-image-1024x382-1" /></a><div class="caption-wrap"><div class="caption"><a href="/sdss-vs-robots-turn-their-eyes-to-the-sky/"> </a><h3><a href="/sdss-vs-robots-turn-their-eyes-to-the-sky/">SDSS-V's Robots Turn their Eyes to the Sky</a></h3><a href="/sdss-vs-robots-turn-their-eyes-to-the-sky/"> </a><p><a href="/sdss-vs-robots-turn-their-eyes-to-the-sky/"><strong>January 11, 2022</strong></a></p><a href="/sdss-vs-robots-turn-their-eyes-to-the-sky/"> </a><p><a href="/sdss-vs-robots-turn-their-eyes-to-the-sky/">After twenty-one years of observers loading heavy aluminum plates night after night, the Sloan Digital Sky Survey (SDSS) is now seeing the cosmos through robotic eyes. Following more than five years of design, development and construction, survey members worked over the final months of 2021 to install the new robotic Focal Plane System (FPS) on the Sloan Foundation 2.5m Telescope at Apache Point Observatory (APO).</a></p><a href="/sdss-vs-robots-turn-their-eyes-to-the-sky/"> </a></div></div></li> <li style="display: none; width: 100%;" class="slide-129 ms-image " aria-roledescription="slide" aria-label="slide-129"><a href="/serving-up-the-universe-on-a-plate/" target="_self"><img loading="lazy" decoding="async" src="https://www.sdss.org/wp-content/uploads/2022/04/TFitzpatrick_exhibit_cover.jpeg" height="382" width="1024" alt="" class="slider-124 slide-129" title="TFitzpatrick_exhibit_cover" /></a><div class="caption-wrap"><div class="caption"><a href="/serving-up-the-universe-on-a-plate/"> </a><h3><a href="/serving-up-the-universe-on-a-plate/">Serving Up the Universe on a Plate</a></h3><a href="/serving-up-the-universe-on-a-plate/"> </a><p><a href="/serving-up-the-universe-on-a-plate/"><strong>July 13, 2021</strong></a></p><a href="/serving-up-the-universe-on-a-plate/"> </a><p><a href="/serving-up-the-universe-on-a-plate/">They may not look like much — just metal disks 80 centimeters (30 inches) across with some etched markings and hundreds of small holes — but round aluminum “plates” like this one from the Sloan Digital Sky Survey (SDSS) have been vital to mapping our universe for more than 20 years.</a></p><a href="/serving-up-the-universe-on-a-plate/"> </a></div></div></li> <li style="display: none; width: 100%;" class="slide-130 ms-image " aria-roledescription="slide" aria-label="slide-130"><a href="/next-gen-astronomical-survey-makes-its-first-observations-toward-a-new-understanding-of-the-cosmos/" target="_self"><img loading="lazy" decoding="async" src="https://www.sdss.org/wp-content/uploads/2022/04/sdssfirstlight-1024x382.png" height="382" width="1024" alt="" class="slider-124 slide-130" title="sdssfirstlight" /></a><div class="caption-wrap"><div class="caption"><a href="/next-gen-astronomical-survey-makes-its-first-observations-toward-a-new-understanding-of-the-cosmos/"> </a><h3><a href="/next-gen-astronomical-survey-makes-its-first-observations-toward-a-new-understanding-of-the-cosmos/">Next-Gen Astronomical Survey Makes its First Observations Toward a New Understanding of the Cosmos</a></h3><a href="/next-gen-astronomical-survey-makes-its-first-observations-toward-a-new-understanding-of-the-cosmos/"> </a><p><a href="/next-gen-astronomical-survey-makes-its-first-observations-toward-a-new-understanding-of-the-cosmos/"><strong>November 2, 2020</strong></a></p><a href="/next-gen-astronomical-survey-makes-its-first-observations-toward-a-new-understanding-of-the-cosmos/"> </a><p><a href="/next-gen-astronomical-survey-makes-its-first-observations-toward-a-new-understanding-of-the-cosmos/">The Sloan Digital Sky Survey’s fifth generation collected its very first observations of the cosmos at 1:47 a.m. on October 24, 2020. As the world’s first all-sky time-domain spectroscopic survey, SDSS-V will provide groundbreaking insight into the formation and evolution of galaxies—like like our own Milky Way—and of the supermassive black holes that lurk at their centers.</a></p><a href="/next-gen-astronomical-survey-makes-its-first-observations-toward-a-new-understanding-of-the-cosmos/"> </a></div></div></li> </ul> </div> </div> </div> <div style="height:100px" aria-hidden="true" class="wp-block-spacer home-spacer"></div> <div class="wp-block-columns mapper-summary is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex"> <div class="wp-block-column mapper-info is-layout-flow wp-block-column-is-layout-flow"> <h3 class="wp-block-heading has-text-align-center title" id="milky-way-mapper"><a href="/dr18/mwm/about/" title="">Milky Way Mapper</a></h3> <figure class="wp-block-image size-large"><a href="/dr18/mwm/about/"><img decoding="async" src="/wp-content/uploads/2022/04/Gaia_s_sky_in_colour_sm-1.jpg" alt="Map of the Milky Way from the Gaia spacecraft"/></a><figcaption class="wp-element-caption">Image credit: ESA/Gaia/DPAC</figcaption></figure> <p>A time-domain, optical+IR spectroscopic survey of Milky Way stars of all types.</p> <h4 class="wp-block-heading program-head-label">Program Head</h4> <p class="program-head-name"><strong><a href="mailto:andrew.tkachenko@kuleuven.be" title="">Andrew Tkachenko</a></strong><br>(KU Leuven)</p> <div class="wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-1 wp-block-buttons-is-layout-flex"> <div class="wp-block-button explore-button"><a class="wp-block-button__link has-white-color has-text-color wp-element-button" href="/dr18/mwm/about/">Explore MWM</a></div> </div> </div> <div class="wp-block-column mapper-info is-layout-flow wp-block-column-is-layout-flow"> <h3 class="wp-block-heading has-text-align-center title" id="local-volume-mapper"><a href="/dr18/lvm/about/" title="">Local Volume Mapper</a></h3> <figure class="wp-block-image size-large"><a href="/dr18/lvm/about/"><img decoding="async" src="/wp-content/uploads/2022/04/440px_crop_-NGC_346_in_Small_magellanic_cloud-1.jpg" alt="Image of the Small Magellanic Cloud"/></a><figcaption class="wp-element-caption">Image credit: NASA, ESA/A. Nota</figcaption></figure> <p>An optical, integral-field spectroscopic survey of the Milky Way and its neighbors. </p> <h4 class="wp-block-heading program-head-label">Program Head</h4> <p class="program-head-name"><a href="mailto:drory@astro.as.utexas.edu"><strong>Niv Drory</strong></a><br>(University of Texas at Austin)</p> <div class="wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-2 wp-block-buttons-is-layout-flex"> <div class="wp-block-button" id="explore-button"><a class="wp-block-button__link has-white-color has-text-color wp-element-button" href="/dr18/lvm/about/">Explore LVM</a></div> </div> </div> <div class="wp-block-column mapper-info is-layout-flow wp-block-column-is-layout-flow"> <h3 class="wp-block-heading has-text-align-center title" id="black-hole-mapper"><a href="/dr18/bhm/about/" title="">Black Hole Mapper</a></h3> <figure class="wp-block-image size-large"><a href="/dr18/bhm/about/"><img decoding="async" src="/wp-content/uploads/2022/04/600px-Artists_rendering_ULAS_J11200641-1.jpg" alt="Artist's impression of a quasar"/></a><figcaption class="wp-element-caption">Image credit: ESO/M. Kornmesser</figcaption></figure> <p>An optical time-domain spectroscopic survey of quasars and X-ray sources.</p> <h4 class="wp-block-heading program-head-label">Program Head</h4> <p class="program-head-name"><a href="mailto:sfander@uw.edu"><strong>Scott Anderson</strong></a><br>(University of Washington)</p> <div class="wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-3 wp-block-buttons-is-layout-flex"> <div class="wp-block-button explore-button"><a class="wp-block-button__link has-white-color has-text-color wp-element-button" href="/dr18/bhm/about/">Explore BHM</a></div> </div> </div> </div> <div style="height:100px" aria-hidden="true" class="wp-block-spacer home-spacer"></div> <h2 class="wp-block-heading joinus-title">JOIN US!</h2> <p class="joinus-text">SDSS-V, like previous SDSS surveys, remains committed to making its data publicly available in a format that is helpful to a broad range of users, from beginner students to both amateur and professional astronomers. However, without extensive federal or other large-scale funding, this commitment is not possible to fulfill without membership contributions from institutional partners. <strong>SDSS-V is actively seeking participation from new membership partners.</strong> Our institutional partners benefit from early access to proprietary data, participation in the survey planning process, and involvement of their faculty, postdocs, and students in our global science collaborative network.</p> <p class="joinus-text">Policies for joining SDSS-V at a variety of levels can be found in the <strong><a rel="noreferrer noopener" href="/wp-content/uploads/2022/04/sdss5-joining-2017-05-15-a.pdf" target="_blank">Joining Document</a></strong>. The general policies for SDSS-V are defined in its current <strong><a rel="noreferrer noopener" href="/wp-content/uploads/2024/04/SDSS-V-Principles-of-Operation-v1.2.pdf" target="_blank">Principles of Operation</a></strong>.</p> <p class="joinus-text">A list of current member institutions can be found on the <strong><a href="/collaboration/affiliate-institutions/" data-type="page" data-id="12" target="_blank" rel="noreferrer noopener">Affiliate Institutions</a></strong> page.</p> </div> </div> </article> </main> </div> </div> </div> <footer id="footer" class="site-footer"> <div class="gx-footer-block-area"> <div class="wrapper"> <div class="entry-content"> <div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex"> <div class="wp-block-column footmenu is-layout-flow wp-block-column-is-layout-flow"> <h3 class="wp-block-heading footmenu-label">Explore</h3> <p><a href="/dr18/" data-type="page" data-id="36">Data Release 18</a></p> <p><a href="/dr18/data_access/" data-type="page" data-id="38">Data Access</a></p> <p><a href="/dr18/tutorials/" data-type="page" data-id="519">Tutorials</a></p> <p><a href="/dr18/data_access/value-added-catalogs/" data-type="page" data-id="505">Value Added Catalogs</a></p> </div> <div class="wp-block-column footmenu is-layout-flow wp-block-column-is-layout-flow"> <h3 class="wp-block-heading footmenu-label">Learn</h3> <p><a href="/mappers/" data-type="page" data-id="68">Mappers</a></p> <p><a href="/instruments/" data-type="page" data-id="77">Instruments</a></p> <p><a href="/education/" data-type="page" data-id="91">Education</a></p> <p><a href="/science/" data-type="page" data-id="87">Science</a></p> </div> <div class="wp-block-column footmenu is-layout-flow wp-block-column-is-layout-flow"> <h3 class="wp-block-heading footmenu-label">Connect</h3> <p><a href="/contact-us/" data-type="page" data-id="32">Contact Us</a></p> <p><a href="mailto:helpdesk@sdss.org" target="_blank" rel="noreferrer noopener">Email Helpdesk</a></p> <p><a href="https://www.facebook.com/SDSSurveys/" target="_blank" rel="noreferrer noopener" class="broken_link">Facebook</a></p> <p><a href="/people/" title="">SDSS People</a></p> </div> <div class="wp-block-column footlogos is-layout-flow wp-block-column-is-layout-flow"> <p class="has-text-align-center">SDSS is supported by:</p> <div class="wp-block-image img-responsive"> <figure class="aligncenter size-large"><a href="https://www.sloan.org" target="_blank" rel="noreferrer noopener"><img loading="lazy" decoding="async" width="1024" height="200" src="/wp-content/uploads/2022/06/Logo-2B-SMALL-Gold-Blue-1024x200.png" alt="Alfred P. 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