RV Cass Spectrograph | ESO Schweiz

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href="/web/20220307224418/https://www.eso.org/public/news/archive/year/2001/"> 2001 </a></li></ul></li><li class="submenu"><a class="no-link children" href="#"> 1991–2000 <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-171" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/news/archive/year/2000/"> 2000 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/news/archive/year/1999/"> 1999 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/news/archive/year/1998/"> 1998 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/news/archive/year/1997/"> 1997 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/news/archive/year/1996/"> 1996 </a></li><li class=""><a 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href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/espresso/"> ESPRESSO </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/eris/"> ERIS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/flames/"> FLAMES </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/fors/"> FORS1 and FORS2 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/hawk-i/"> HAWK-I </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/isaac/"> ISAAC </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/kmos/"> KMOS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/mad/"> MAD </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/moons/"> MOONS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/muse/"> MUSE </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/naco/"> NACO </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/sinfoni/"> SINFONI </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/sphere/"> SPHERE </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/uves/"> UVES </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/vimos/"> VIMOS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/visir/"> VISIR </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/x-shooter/"> X-shooter </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/vtl-test-cameras/"> VLT Test Cameras </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-names/"> Namen der VLT-Hauptteleskope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-274" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-names/antu/"> Antu </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-names/kueyen/"> Kueyen </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-names/melipal/"> Melipal </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-names/yepun/"> Yepun </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlti/"> VLT Interferometer <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-279" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/gravity/"> GRAVITY </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/matisse/"> MATISSE </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/naomi/"> NAOMI </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/pionier/"> PIONIER </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/amber/"> AMBER </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/midi/"> MIDI </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/vinci/"> VINCI </a></li></ul></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/vlt/auxiliarytelescopes/"> Hilfsteleskope </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/surveytelescopes/"> Durchmusterungsteleskope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-288" class="submenu-aim sublevel"><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vista/"> VISTA <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-289" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vista/mirror/"> Der VISTA-Spiegel </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vista/camera/"> VIRCAM </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vista/4most/"> 4MOST </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vista/surveys/"> Die VISTA-Durchmusterung </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vista/consortium/"> Das VISTA-Konsortium </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vst/"> VST <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-295" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vst/mirror/"> The VST mirrors </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vst/camera/"> OmegaCAM </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vst/surveys/"> Die VST-Durchmusterungen </a></li></ul></li></ul></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/speculoos/"> SPECULOOS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/ngts/"> NGTS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/paranal-observatory/cta/"> Cherenkov Telescope Array </a></li></ul></li><li class="submenu current"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/"> La Silla Observatory <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-302" class="submenu-aim sublevel selected current"><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/swedish/"> Schwedisch–ESO Submillimetre Telescope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-303" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/swedish/simba/"> SIMBA </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/ntt/"> New Technology Telescope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-305" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/ntt/efosc2/"> EFOSC2 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/ntt/emmi/"> EMMI </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/ntt/irspec/"> IRSPEC </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/ntt/sofi/"> SOFI </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/ntt/soxs/"> SOXS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/ntt/susi2/"> SUSI and SUSI2 </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/36/"> 3,6-Meter-Teleskop der ESO <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-312" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/36/adonis/"> ADONIS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/36/caspec/"> CASPEC </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/36/irspec/"> IRSPEC </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/36/harps/"> HARPS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/36/mefos/"> MEFOS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/36/nirps/"> NIRPS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/36/optopus/"> OPTOPUS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/36/timmi2/"> TIMMI/2 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/36/36-infrared-photometer-spectrophotometer/"> Infrared Photometer/Spectrophotometer </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/36/36-standard-photometer/"> Standard Photometer </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/36/infrared-specklegraph/"> Infrared Specklegraph </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/36/infrared-speckle-interferometer/"> Infrared Speckle Interferometer </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/36/efosc/"> EFOSC </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/mpg22/"> MPG/ESO 2,2-Meter-Teleskop <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-326" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/mpg22/feros/"> FEROS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/mpg22/grond/"> GROND </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/mpg22/irac2/"> IRAC & IRAC2 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/mpg22/pisco/"> PISCO </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/mpg22/wfi/"> WFI </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/mpg22/infrared-photometer-spectrophotometer/"> Infrared Photometer/Spectrophotometer </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/swiss/"> Swiss 1.2-metre Leonhard Euler Telescope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-333" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/swiss/coralie/"> CORALIE </a></li></ul></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/rem/"> Rapid Eye Mount-Teleskop </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/trappist/"> TRAnsiting Planets and PlanetesImals Small Telescope–South </a></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/danish154/"> Dänisches 1,54-Meter-Teleskop <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-337" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/danish154/coravel/"> CORAVEL </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/danish154/dfosc/"> DFOSC </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/danish154/ccd/"> CCD camera </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/danish154/hb-photometer/"> Hβ Photometer </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/danish154/two-channel-photometer/"> Two-Channel Photometer </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/danish154/four-channel-photometer/"> Four-Channel Photometer </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/danish154/six-channel-photometer/"> Six-Channel uvby-Hβ Photometer </a></li></ul></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/tarot/"> Télescope à Action Rapide pour les Objets Transitoires </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/1mschmidt/"> 1-Meter-Schmidtteleskop der ESO </a></li><li class="submenu current"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/152metre/"> 1,52-Meter-Teleskop der ESO <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-347" class="submenu-aim sublevel selected current current-leaf"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/152metre/bandc/"> Boller and Chivens Spectrograph </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/152metre/coude/"> Coudé Spectrograph </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/152metre/echelec/"> ECHELEC </a></li><li class=" current current-leaf"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/152metre/rv-cass-spectrograph/"> RV Cass Spectrograph </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/1metre/"> 1-Meter-Teleskop der ESO <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-352" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/1metre/fideos/"> FIDEOS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/1metre/infrared-photometer/"> Infrared Photometer </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/1metre/single-channel-photometer/"> Single-Channel Photometer </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/05metre/"> 0,5-Meter-Teleskop der ESO <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-356" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/05metre/single-channel-photometer/"> Single-Channel Photometer </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/05metre/double-channel-photometer/"> Double-Channel Photometer </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/coude/"> Coudé-Hilfsteleskop <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-359" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/coude/ces/"> CES </a></li></ul></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/marly/"> MarLy 1-Meter-Teleskop </a></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/09metre/"> Niederländisches 0,9-Meter-Teleskop <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-362" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/09metre/walraven/"> Walraven Photometer </a></li></ul></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/t70/"> Schweizer T70-Teleskop </a></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/bochum/"> Bochumer 0,61-Meter-Teleskop <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-365" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/bochum/bochum-scanner/"> Bochum Scanner </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/bochum/bochum-photometer/"> Bochum Photometer </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/danish05/"> Dänisches 0,5-Meter-Teleskop <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-368" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/danish05/danish-two-channel-hb-photometer/"> Two-Channel Hβ Photometer </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/danish05/danish-four-channel-uvby-photometer/"> Four-Channel uvby Photometer </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/danish05/danish-six-channel-uvby-hb-photometer/"> Six-Channel uvby–Hβ Photometer </a></li></ul></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/gpo/"> Grand Prisme Objectif </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/swiss04/"> Schweizer 0,4-Meter-Teleskop </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/marseille/"> Marseiller 0,36-Meter-Teleskop </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/grb/"> GRB-Monitor </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/mascara/"> MASCARA </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/blackgem/"> BlackGEM </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/extra/"> ExTrA </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/test-bed/"> Test-Bed Telescope </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/"> APEX <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-380" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/apex-2a/"> APEX–2A </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/artemis/"> ArTéMiS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/aszca/"> ASZCa </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/champ-plus/"> CHAMP+ </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/concerto/"> CONCERTO </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/flash/"> FLASH </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/flash-plus/"> FLASH+ </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/laboca/"> LABOCA </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/mpi_11thz/"> MPI_1.1THz </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/p-artemis/"> P-ArTéMiS </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/pi230/"> PI230 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/polka/"> PolKa </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/saboca/"> SABOCA </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/sepia/"> SEPIA </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/apex/shefi/"> SHeFI </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/alma/"> ALMA <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-396" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/alma/antennas/"> Antennen </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/alma/transporters/"> Transporter </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/alma/interferometry/"> Interferometrie </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/alma/receiver-bands/"> Receiver Bands </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/alma/residencia/"> ALMA Residencia </a></li></ul></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/elt/"> ELT </a></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/technology/"> Technologien für Teleskope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-403" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/technology/active_optics/"> Aktive Optik </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/technology/adaptive_optics/"> Adaptive Optik </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/technology/ifu/"> Integral Field Units </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/technology/interferometry/"> Interferometrie </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/technology/spectroscopy/"> Spectroscopy </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/technology/polarimetry/"> Polarimetry </a></li></ul></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/teles-instr/instruments/"> Instruments </a></li> </ul> </div> </div> </li> <li><a href="/web/20220307224418/https://www.eso.org/public/science/">Entdeckungen<span class="fa fa-angle-down level0-children-arrows"></span></a> <span class="mobile-children"> <span class="fa fa-angle-down"></span> </span> <div class="level1-wrapper"> <div class="level1"> <ul id="submenu-aim-411" class="submenu-aim"> <li class=""><a href="/web/20220307224418/https://www.eso.org/public/science/top10/"> Die 10 wichtigsten astronomischen Entdeckungen der ESO </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/science/exoplanets/"> Exoplaneten </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/science/gravitationalwaves/"> Nachweis der Quellen von Graviationswellen im sichtbaren Licht </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/science/gc/"> Black Hole at the Centre of our Galaxy </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/science/grb/"> Gammastrahlenausbrüche </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/science/archive/"> Wissenschaftliches Archiv </a></li> </ul> </div> </div> </li> <li><a href="/web/20220307224418/https://www.eso.org/public/events/">Events<span class="fa fa-angle-down level0-children-arrows"></span></a> <span class="mobile-children"> <span class="fa fa-angle-down"></span> </span> <div class="level1-wrapper"> <div class="level1"> <ul id="submenu-aim-418" class="submenu-aim"> <li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/press-evt/"> Press Events </a></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/"> Sonderveranstaltungen <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-420" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/announcements/ann18065/"> Open House Day 2018 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/openhouse17/"> Open House Day 2017 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/announcements/ann16071/"> Open House Day 2016 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/announcements/?search=%23MeetESO"> #MeetESO </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/openhouse15/"> Long Night of Science 2015 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/astronet2014/"> ASTRONET 2014 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/openhouse14/"> Open House Day 2014 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/eeltblast/"> ELT Groundbreaking </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/cafe-and-kosmos/"> Café & Kosmos in München </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/openhouse13/"> Open House Day 2013 </a></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/astronet2013/"> ASTRONET 2013 <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-431" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/astronet2013/dates/"> Important Dates </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/astronet2013/registration/"> Registration, Fees and Payment </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/astronet2013/abstracts/"> Abstract Submission </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/astronet2013/venue/"> Workshop Venue </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/astronet2013/practical_information/"> Practical Information </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/astronet2013/accommodation/"> Accommodation </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/astronet2013/organisers_partners/"> Organisers & Partners </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/astronet2013/contact/"> Kontakt </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/astronet2013/schedule/"> Schedule </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/astronet2013/participants/"> Participants </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/"> 50 Jahre ESO <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-442" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/message/"> Nachricht vom Generaldirektor </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/50highlights50years/"> Fünfzig Höhepunkte </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/competitions/"> Wettbewerbe </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/twitter/"> Twitterfeed </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/webcast/"> Webcast </a></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/europetothestars/"> Europe to the Stars <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-448" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/europetothestars/news/"> Aktuelles </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/europetothestars/movie/"> Film </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/europetothestars/book/"> Buch </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/europetothestars/reviews/"> Reviews </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/europetothestars/bios/"> Biografien </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/europetothestars/offers/"> Kaufangebote </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/europetothestars/press/"> Für die Presse </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years/europetothestars/contact/"> Kontakt </a></li></ul></li></ul></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/50years-in-chile/"> 50 years of ESO in Chile </a></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/awesome-universe/"> Großartiges Universum <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-458" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/awesome-universe/venues/"> Liste der Veranstaltungsorte </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/awesome-universe/organisers/"> Für Aussteller </a></li></ul></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/100ha/"> 100 Stunden Astronomie </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/theeye/"> Das Auge 3D </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/imax-hidden-universe/"> IMAX® 3D-Film Hidden Universe </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/openhouse11/"> Open House Day 2011 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/openhouse09/"> Open House Day 2009 (German) </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/outreach/bond/"> Bond at Paranal </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/openhouse/"> Open House Day 2006 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/special-evt/eso40years/"> 40 Jahre ESO (1962-2002) </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/events/exhibitions/"> Ausstellungen <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-469" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/exhibitions/perma_exhibitions/"> Permanente ESO-Ausstellungen </a></li><li class=""><a href="https://web.archive.org/web/20220307224418/http://www.esof.eu/"> EuroScience Open Forum (ESOF) </a></li><li class=""><a href="https://web.archive.org/web/20220307224418/http://eas.unige.ch/EWASS2016/"> EWASS 2016 </a></li><li class=""><a href="https://web.archive.org/web/20220307224418/https://aas.org/meetings/aas227"> AAS Winter 2016 </a></li></ul></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/events/astro-evt/"> Astronomische Veranstaltungen <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-474" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/astro-evt/solareclipse2019/"> Total Solar Eclipse 2019 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/astro-evt/mcnaught2007/"> The Comet McNaught 2007 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/astro-evt/deepimpact/"> Deep Impact - 04.07.2005 </a></li><li class=""><a href="https://web.archive.org/web/20220307224418/http://www.vt-2004.org/"> The Venus Transit - 08.11.2004 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/astro-evt/leonids99/"> The Leonids - 17.11.1999 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/astro-evt/eclipse99/"> Solar Eclipse at ESO HQ - 11.08.1999 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/astro-evt/leonids98/"> The Leonids - 11.1998 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/astro-evt/pathfinder/"> Mars Pathfinder - 1997 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/astro-evt/hyakutake/"> Comet Hyakutake - 1997 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/astro-evt/sl9/"> SL-9 and Jupiter - 1994 </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/astro-evt/hale-bopp/"> Comet Hale Bopp - 1994 </a></li></ul></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/events/seminars/"> Seminare zur Astronomiekommunikation </a></li> </ul> </div> </div> </li> <li><a href="/web/20220307224418/https://www.eso.org/public/outreach/">Öffentlichkeitsarbeit<span class="fa fa-angle-down level0-children-arrows"></span></a> <span class="mobile-children"> <span class="fa fa-angle-down"></span> </span> <div class="level1-wrapper"> <div class="level1"> <ul id="submenu-aim-487" class="submenu-aim"> <li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/outreach/eduoff/"> Bildung <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-488" class="submenu-aim sublevel"><li class=""><a href="/web/20220307224418/https://www.eso.org/public/products/education/"> Bildungsmaterialien </a></li><li class=""><a href="https://web.archive.org/web/20220307224418/http://www.scienceinschool.org/" target="_blank"> Science in School </a></li><li class=""><a href="/web/20220307224418/https://www.eso.org/public/outreach/eduoff/teacherschools/"> Lehrerfortbildungen </a></li><li class="submenu"><a href="/web/20220307224418/https://www.eso.org/public/outreach/eduoff/prev-programmes/"> Frühere Programme <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa 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Wir zeigen Ihnen stattdessen die Originalfassung. </div> <div class="row no-page"> <div class="col-md-12"> </div> </div> <div class="row page"> <div class="col-md-12 one-column"> <div id="edit-info-block"> <div id="page-edit-success" class="alert alert-success alert-dismissible" role="alert" style="display: none"> <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button> Page saved successfully </div> <div id="page-edit-failure" class="alert alert-danger alert-dismissible" role="alert" style="display: none"> <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button> Couldn't save page :( Please try again. </div> </div> <div class="page-content"> <div id="editable-content"> <h1>RV Cass Spectrograph</h1> <div style="position: relative; overflow: hidden; height: 253px; margin-bottom: 30px;"><a href="/web/20220307224418/https://www.eso.org/public/images/ehpa-8-039/"> <img style="position: absolute; top: -50%; left: 0; right: 0; bottom: -100%; margin: auto;" src="/web/20220307224418im_/https://www.eso.org/public/archives/images/screen/ehpa-8-039.jpg" alt="The Coudé Spectrograph" border="0"/> </a></div> <div class="row"> <div class="col-md-8"> <p dir="ltr">The Radial Velocity Cassegrain Spectrograph (RV Cass Spectrograph) — also known as the Chilicass — was mounted at the f/15 focus of the <a href="https://web.archive.org/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/152metre/">ESO 1.52-metre telescope</a> at the <a href="https://web.archive.org/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/">La Silla Observatory</a>, Chile, in 1969. This spectrograph was borrowed from the Marseille Observatory (now the <a href="https://web.archive.org/web/20220307224418/http://www.obs-hp.fr/welcome.shtml">Haute-Provence Observatory</a>).</p> <p dir="ltr">In the early years of its use, most of the observing time with the RV Cass Spectrograph was devoted to defining the radial velocities and spectral types of the stars in the Magellanic Clouds, which were previously detected by the <a href="https://web.archive.org/web/20220307224418/https://www.eso.org/public/teles-instr/lasilla/gpo/">Grand Prisme Objectif telescope</a> (GPO) observations in South Africa.</p> <p dir="ltr">The RV Cass Spectrograph employed a 600 lines/mm <a href="https://web.archive.org/web/20220307224418/https://en.wikipedia.org/wiki/Blazed_grating#Littrow_configuration">Littrow mounted grating</a> and had a curved focal plane. The optics were coated for maximum efficiency at 425 nm and the spectrograph could be used in the wavelength range between 340 and 550 nm. The spectrograph was also equipped with two viewfinders; a wide field (7 arcminutes) finder, and a small field (3 arcminutes) for guiding. Several filters could be used with the spectrograph, including two neutral density filters for observation of bright stars. The exposure time with good quality seeing (1 to 1.5 arcseconds) was 1 hour to reach magnitude 10 stars and 3 hours to reach magnitude 12.</p> <p dir="ltr">Its most notable uses include observing the W UMa star <a href="https://web.archive.org/web/20220307224418/http://adsabs.harvard.edu/abs/1986A%26A...159..142N">YY Eri</a>, in order to obtain the spectroscopic mass of its components by direct measurements of their radial velocities from intermediate dispersion spectra.</p> <p dir="ltr">The RV Cass Spectrograph was decommissioned in the 1980s.</p> </div> <div class="col-md-4"> <table class="table table-bordered" width="100%"> <tbody> <tr> <td> <h3>RV Cass Spectrograph</h3> <p><small>This table lists the global capabilities of the instrument.</small></p> <table class="table"> <tbody> <tr> <td valign="top" width="30"><strong>Location:</strong></td> <td valign="top">Decommissioned</td> </tr> <tr> <td valign="top" width="30"><strong>Telescope:</strong></td> <td valign="top"><a href="https://web.archive.org/web/20220307224418/http://www.eso.org/public/teles-instr/lasilla/152metre/">ESO 1.52-metre telescope</a></td> </tr> <tr> <td valign="top"><strong>Focus:</strong></td> <td valign="top">Cassegrain</td> </tr> <tr> <td valign="top"><strong>Type:</strong></td> <td valign="top">Spectrograph</td> </tr> <tr> <td valign="top"><strong>Wavelength range:</strong></td> <td valign="top">340–550 nm</td> </tr> <tr> <td valign="top"><strong>Spatial resolution:</strong></td> <td valign="top">9.2 arcseconds mm<sup>-1</sup></td> </tr> <tr> <td valign="top"><strong>Spectral resolution:</strong></td> <td valign="top">7.4 nm mm<sup>-1</sup></td> </tr> <tr> <td valign="top"><strong>First light:</strong></td> <td valign="top">1969</td> </tr> <tr> <td valign="top"><strong>Science goal:</strong></td> <td valign="top"> <ul> <li dir="ltr">Measurement of radial velocities and spectral types of stars.</li> </ul> </td> </tr> <tr> <td valign="top"><strong>Images taken with the instrument:</strong></td> <td valign="top">N/A</td> </tr> <tr> <td valign="top"><strong>Images of the <strong>instrument</strong>:</strong></td> <td valign="top"><a href="https://web.archive.org/web/20220307224418/https://www.eso.org/public/images/?search=chilicass">Link</a></td> </tr> <tr> <td valign="top"><strong>Press Releases with the <strong>instrument</strong>:</strong></td> <td valign="top">N/A</td> </tr> <tr> <td valign="top"><strong>Consortium:</strong></td> <td valign="top"> <ul> <li dir="ltr">ESO</li> <li dir="ltr">Haute-Provence Observatory</li> </ul> </td> </tr> </tbody> </table> </td> </tr> </tbody> </table> </div> </div> </div> </div> </div> </div> </div>  <div class="row footernote"> <div class="col-xs-12 col-md-3"> <a href="https://web.archive.org/web/20220307224418/mailto:information@eso.org">Schicken Sie uns Ihre Kommentare!</a> </div> <div class="col-xs-12 col-md-3"> <a href="/web/20220307224418/https://www.eso.org/public/outreach/newsletters/esonews/">Subscribe to 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