Coudé Auxiliary Telescope (decommissioned)

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The CAT was fully computer controlled and was used for many different types of astronomical observations, including measuring the ages of ancient stars."/> <meta name="description" content="The ESO Coudé Auxiliary Telescope (CAT) was housed in a smaller dome, adjacent to the 3.6-metre telescope at ESO's La Silla Observatory, and fed the 3.6-metre's Coudé Echelle Spectrometer through a light tunnel. The CAT was fully computer controlled and was used for many different types of astronomical observations, including measuring the ages of ancient stars."/> </head> <body> <input type="hidden" name="csrfmiddlewaretoken" value="TTY62rD77znXL68yTw0BS6EkSAQ3FQS5KK7Xhs1j2OjpNG8RHTR4Azj31Q2qLZK2"/> <div id="privacy-notice" style="display: none"> <p> By continuing to use this website, you are giving consent to our use of cookies.<br> For more information on how ESO uses data and how you can disable cookies, please view <a href="/web/20211129131834/https://eso.org/public/about-eso/privacy/"> our privacy policy</a>. </p> <button type="button" class="btn btn-primary" onclick="accept_privacy_notice()"> Accept </button> <script> // Display the privacy cookie if the cookie is not set if (!has_privacy_cookie()) { document.getElementById('privacy-notice').style.display = 'block' } function has_privacy_cookie() { return document.cookie.split(';').filter(function(item) { return 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href="/web/20211129131834/https://eso.org/public/videos/archive/category/nebulae/"> Nebulosas </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/videos/archive/category/paranal/"> Paranal </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/videos/archive/category/premises/"> Instalações </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/videos/archive/category/blackholes/"> Quasares e Buracos Negros </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/videos/archive/category/solarsystem/"> Sistema Solar </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/videos/archive/category/starclusters/"> Aglomerados de Estrelas </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/videos/archive/category/stars/"> Estrelas </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/videos/archive/category/vnr/"> Lançamentos de vídeo-notícias </a></li></ul></li><li class=""><a href="/web/20211129131834/https://eso.org/public/copyright/"> Usage of ESO Videos and Images </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/videoformats/"> Video Formats </a></li> </ul> </div> </div> </li> <li><a href="/web/20211129131834/https://eso.org/public/news/">Notícias<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-143" class="submenu-aim"> <li class="submenu"><a href="/web/20211129131834/https://eso.org/public/news/"> Notas de Imprensa <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-144" class="submenu-aim sublevel"><li class="submenu"><a class="no-link children" href="#"> 2021-2030 <span class="desktop-children topmenu-arrow fa 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</a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/news/archive/year/1986/"> 1986 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/news/archive/year/1985/"> 1985 </a></li></ul></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/announcements/"> Anúncios <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-187" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/announcements/archive/year/2021/"> 2021 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/announcements/archive/year/2020/"> 2020 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/announcements/archive/year/2019/"> 2019 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/announcements/archive/year/2018/"> 2018 </a></li><li 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href="/web/20211129131834/https://eso.org/public/outreach/presscoverage/"> Cobertura de Imprensa </a></li> </ul> </div> </div> </li> <li><a href="/web/20211129131834/https://eso.org/public/shop/">Loja do ESO<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-213" class="submenu-aim"> <li class="submenu"><a href="/web/20211129131834/https://eso.org/public/shop/category/"> Produtos da loja <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-214" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/shop/category/annualreport/"> Relatórios Anuais </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/shop/category/apparel/"> Roupas </a></li><li class=""><a 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current"> <li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/"> Observatório do Paranal <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-247" class="submenu-aim sublevel"><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/"> Very Large 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-248" class="submenu-aim sublevel"><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/"> Instrumentos do VLT <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-249" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/4lgsf/"> 4LGSF </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/crires/"> CRIRES </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/crires+/"> CRIRES+ </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/espresso/"> ESPRESSO </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/eris/"> ERIS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/flames/"> FLAMES </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/fors/"> FORS1 and FORS2 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/hawk-i/"> HAWK-I </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/isaac/"> ISAAC </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/kmos/"> KMOS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/mad/"> MAD </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/moons/"> MOONS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/muse/"> MUSE </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/naco/"> NACO </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/sinfoni/"> SINFONI </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/sphere/"> SPHERE </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/uves/"> UVES </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/vimos/"> VIMOS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/visir/"> VISIR </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/x-shooter/"> X-shooter </a></li><li class=""><a href="/web/20211129131834/https://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/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-names/"> Nomes dos Telescópios Principais do VLT <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-271" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-names/antu/"> Antu </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-names/kueyen/"> Kueyen </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-names/melipal/"> Melipal </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-names/yepun/"> Yepun </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlti/"> Interferómetro do VLT <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-276" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/gravity/"> GRAVITY </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/matisse/"> MATISSE </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/naomi/"> NAOMI </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/pionier/"> PIONIER </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/amber/"> AMBER </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/midi/"> MIDI </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/vlt-instr/vinci/"> VINCI </a></li></ul></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/vlt/auxiliarytelescopes/"> Telescópios Auxiliares </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/surveytelescopes/"> Telescópios de rastreio <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-285" class="submenu-aim sublevel"><li class="submenu"><a href="/web/20211129131834/https://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-286" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vista/mirror/"> O espelho VISTA </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vista/camera/"> VIRCAM </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vista/4most/"> 4MOST </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vista/surveys/"> Os rastreios VISTA </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vista/consortium/"> O consórcio VISTA </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://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-292" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vst/mirror/"> The VST mirrors </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vst/camera/"> OmegaCAM </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/surveytelescopes/vst/surveys/"> OS rastreios VST </a></li></ul></li></ul></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/speculoos/"> SPECULOOS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/ngts/"> NGTS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/paranal-observatory/cta/"> Cherenkov Telescope Array </a></li></ul></li><li class="submenu current"><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/"> Observatório de La Silla <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-299" class="submenu-aim sublevel selected current current-leaf"><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/swedish/"> Telescópio submilimétrico sueco-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-300" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/swedish/simba/"> SIMBA </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://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-302" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/ntt/efosc2/"> EFOSC2 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/ntt/emmi/"> EMMI </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/ntt/irspec/"> IRSPEC </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/ntt/sofi/"> SOFI </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/ntt/soxs/"> SOXS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/ntt/susi2/"> SUSI and SUSI2 </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/36/"> Telescópio de 3,6 metros do 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-309" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/36/adonis/"> ADONIS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/36/caspec/"> CASPEC </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/36/irspec/"> IRSPEC </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/36/harps/"> HARPS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/36/mefos/"> MEFOS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/36/nirps/"> NIRPS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/36/optopus/"> OPTOPUS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/36/timmi2/"> TIMMI/2 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/36/36-infrared-photometer-spectrophotometer/"> Infrared Photometer/Spectrophotometer </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/36/36-standard-photometer/"> Standard Photometer </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/36/infrared-specklegraph/"> Infrared Specklegraph </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/36/infrared-speckle-interferometer/"> Infrared Speckle Interferometer </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/36/efosc/"> EFOSC </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/mpg22/"> Telescópio MPG/ESO de 2,2 metros <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-323" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/mpg22/feros/"> FEROS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/mpg22/grond/"> GROND </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/mpg22/irac2/"> IRAC & IRAC2 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/mpg22/pisco/"> PISCO </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/mpg22/wfi/"> WFI </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/mpg22/infrared-photometer-spectrophotometer/"> Infrared Photometer/Spectrophotometer </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://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-330" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/swiss/coralie/"> CORALIE </a></li></ul></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/rem/"> Telescópio Rapid Eye Mount </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/trappist/"> TRAnsiting Planets and PlanetesImals Small Telescope–South </a></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/danish154/"> Telescópio dinamarquês de 1,54 metros <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-334" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/danish154/coravel/"> CORAVEL </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/danish154/dfosc/"> DFOSC </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/danish154/ccd/"> CCD camera </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/danish154/hb-photometer/"> Hβ Photometer </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/danish154/two-channel-photometer/"> Two-Channel Photometer </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/danish154/four-channel-photometer/"> Four-Channel Photometer </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/danish154/six-channel-photometer/"> Six-Channel uvby-Hβ Photometer </a></li></ul></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/tarot/"> Télescope à Action Rapide pour les Objets Transitoires </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/1mschmidt/"> Telescópio Schmidt de 1 metro do ESO </a></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/152metre/"> Telescópio de 1,52 metros do 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-344" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/152metre/bandc/"> Boller and Chivens Spectrograph </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/152metre/coude/"> Coudé Spectrograph </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/152metre/echelec/"> ECHELEC </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/152metre/rv-cass-spectrograph/"> RV Cass Spectrograph </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/1metre/"> Telescópio de 1 metro do 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-349" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/1metre/fideos/"> FIDEOS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/1metre/infrared-photometer/"> Infrared Photometer </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/1metre/single-channel-photometer/"> Single-Channel Photometer </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/05metre/"> Telescópio de 0,5 metros do 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-353" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/05metre/single-channel-photometer/"> Single-Channel Photometer </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/05metre/double-channel-photometer/"> Double-Channel Photometer </a></li></ul></li><li class="submenu current current-leaf"><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/coude/"> Telescópio Auxiliar Coudé <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 selected"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/coude/ces/"> CES </a></li></ul></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/marly/"> Telescópio MarLy de 1 metro </a></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/09metre/"> Telescópio holandês de 0,9 metros <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/20211129131834/https://eso.org/public/teles-instr/lasilla/09metre/walraven/"> Walraven Photometer </a></li></ul></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/t70/"> Telescópio suíço T70 </a></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/bochum/"> Telescópio Bochum de 0,61 metros <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/20211129131834/https://eso.org/public/teles-instr/lasilla/bochum/bochum-scanner/"> Bochum Scanner </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/bochum/bochum-photometer/"> Bochum Photometer </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/danish05/"> Telescópio dinamarquês de 0,5 metros <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/20211129131834/https://eso.org/public/teles-instr/lasilla/danish05/danish-two-channel-hb-photometer/"> Two-Channel Hβ Photometer </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/danish05/danish-four-channel-uvby-photometer/"> Four-Channel uvby Photometer </a></li><li class=""><a href="/web/20211129131834/https://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/20211129131834/https://eso.org/public/teles-instr/lasilla/gpo/"> Telescópio Grand Prisme Objectif </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/swiss04/"> Telescópio suíço de 0,4 metros </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/marseille/"> Telescópio de Marseilha de 0,36 metros </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/grb/"> Sistema de Monitorização GBR </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/mascara/"> MASCARA </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/blackgem/"> BlackGEM </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/extra/"> ExTrA </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/lasilla/test-bed/"> Test-Bed Telescope </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://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-377" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/apex-2a/"> APEX–2A </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/artemis/"> ArTéMiS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/aszca/"> ASZCa </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/champ-plus/"> CHAMP+ </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/concerto/"> CONCERTO </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/flash/"> FLASH </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/flash-plus/"> FLASH+ </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/laboca/"> LABOCA </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/mpi_11thz/"> MPI_1.1THz </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/p-artemis/"> P-ArTéMiS </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/pi230/"> PI230 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/polka/"> PolKa </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/saboca/"> SABOCA </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/sepia/"> SEPIA </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/apex/shefi/"> SHeFI </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://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-393" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/alma/antennas/"> Antenas </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/alma/transporters/"> Transportadores </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/alma/interferometry/"> Interferometria </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/alma/receiver-bands/"> Receiver Bands </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/alma/residencia/"> ALMA Residencia </a></li></ul></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/elt/"> ELT </a></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/teles-instr/technology/"> Tecnologia para telescópios <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-400" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/technology/active_optics/"> Óptica ativa </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/technology/adaptive_optics/"> Óptica adaptativa </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/technology/ifu/"> Integral Field Units </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/technology/interferometry/"> Interferometria </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/technology/spectroscopy/"> Espectroscopia </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/technology/polarimetry/"> Polarimetria </a></li></ul></li><li class=""><a href="/web/20211129131834/https://eso.org/public/teles-instr/instruments/"> Instruments </a></li> </ul> </div> </div> </li> <li><a href="/web/20211129131834/https://eso.org/public/science/">Descobertas<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-408" class="submenu-aim"> <li class=""><a href="/web/20211129131834/https://eso.org/public/science/top10/"> As 10 Principais Descobertas Astronômicas do ESO </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/science/exoplanets/"> Exoplanetas </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/science/gravitationalwaves/"> Detecções visíveis de fontes de ondas gravitacionais </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/science/gc/"> Black Hole at the Centre of our Galaxy </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/science/grb/"> Explosões de raios gama </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/science/archive/"> Arquivo Científico </a></li> </ul> </div> </div> </li> <li><a href="/web/20211129131834/https://eso.org/public/events/">Eventos<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-415" class="submenu-aim"> <li class=""><a href="/web/20211129131834/https://eso.org/public/events/press-evt/"> Eventos de Imprensa </a></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/events/special-evt/"> Eventos Especiais <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-417" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/announcements/ann18065/"> Open House Day 2018 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/openhouse17/"> Open House Day 2017 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/announcements/ann16071/"> Open House Day 2016 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/announcements/?search=%23MeetESO"> #MeetESO </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/openhouse15/"> Long Night of Science 2015 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/astronet2014/"> ASTRONET 2014 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/openhouse14/"> Open House Day 2014 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/eeltblast/"> ELT Groundbreaking </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/cafe-and-kosmos/"> Café & Cosmos em Munique </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/openhouse13/"> Open House Day 2013 </a></li><li class="submenu"><a href="/web/20211129131834/https://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-428" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/astronet2013/dates/"> Important Dates </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/astronet2013/registration/"> Registration, Fees and Payment </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/astronet2013/abstracts/"> Abstract Submission </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/astronet2013/venue/"> Workshop Venue </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/astronet2013/practical_information/"> Practical Information </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/astronet2013/accommodation/"> Accommodation </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/astronet2013/organisers_partners/"> Organisers & Partners </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/astronet2013/contact/"> Contato </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/astronet2013/schedule/"> Schedule </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/astronet2013/participants/"> Participants </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years/"> 50 Anos do 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-439" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years/message/"> Mensagem do Diretor Geral </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years/50highlights50years/"> Cinquenta Destaques </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years/competitions/"> Concursos </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years/twitter/"> Feed do Twitter </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years/webcast/"> Webcast </a></li><li class="submenu"><a href="/web/20211129131834/https://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-445" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years/europetothestars/news/"> Notícias </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years/europetothestars/movie/"> Filme </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years/europetothestars/book/"> Livro </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years/europetothestars/reviews/"> Reviews </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years/europetothestars/bios/"> Biografias </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years/europetothestars/offers/"> Ofertas comerciais </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years/europetothestars/press/"> Para a Imprensa </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years/europetothestars/contact/"> Contacte-nos </a></li></ul></li></ul></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/50years-in-chile/"> 50 years of ESO in Chile </a></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/events/special-evt/awesome-universe/"> Universo Deslumbrante <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-455" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/awesome-universe/venues/"> Lista de locais de exposição </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/awesome-universe/organisers/"> Para expositores </a></li></ul></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/100ha/"> 100 Horas de Astronomia </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/theeye/"> O Olho 3D </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/imax-hidden-universe/"> Filme IMAX® 3D O Universo Escondido </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/openhouse11/"> Open House Day 2011 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/openhouse09/"> Open House Day 2009 (German) </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/bond/"> Bond at Paranal </a></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/events/special-evt/openhouse/"> Open House Day 2006 <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-464" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/openhouse/ohd06-winnerslist/"> List of Prize Winners </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/openhouse/tdot06/"> Deutsche Fassung </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/openhouse/tdot06-gewinnerliste/"> Liste der Preisgewinner </a></li></ul></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/special-evt/eso40years/"> 40 anos do ESO (1962 - 2000) </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/events/exhibitions/"> Exposições <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/20211129131834/https://eso.org/public/events/exhibitions/perma_exhibitions/"> Exposições Permanentes do ESO </a></li><li class=""><a href="https://web.archive.org/web/20211129131834/http://www.esof.eu/"> EuroScience Open Forum (ESOF) </a></li><li class=""><a href="https://web.archive.org/web/20211129131834/http://eas.unige.ch/EWASS2016/"> EWASS 2016 </a></li><li class=""><a href="https://web.archive.org/web/20211129131834/https://aas.org/meetings/aas227"> AAS Winter 2016 </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/events/astro-evt/"> Eventos Astronómicos <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/20211129131834/https://eso.org/public/events/astro-evt/solareclipse2019/"> Total Solar Eclipse 2019 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/astro-evt/mcnaught2007/"> The Comet McNaught 2007 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/astro-evt/deepimpact/"> Deep Impact - 04.07.2005 </a></li><li class=""><a href="https://web.archive.org/web/20211129131834/http://www.vt-2004.org/"> The Venus Transit - 08.11.2004 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/astro-evt/leonids99/"> The Leonids - 17.11.1999 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/astro-evt/eclipse99/"> Solar Eclipse at ESO HQ - 11.08.1999 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/astro-evt/leonids98/"> The Leonids - 11.1998 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/astro-evt/pathfinder/"> Mars Pathfinder - 1997 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/astro-evt/hyakutake/"> Comet Hyakutake - 1997 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/astro-evt/sl9/"> SL-9 and Jupiter - 1994 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/astro-evt/hale-bopp/"> Comet Hale Bopp - 1994 </a></li></ul></li><li class=""><a href="/web/20211129131834/https://eso.org/public/events/seminars/"> Seminários de Comunicação em Astronomia </a></li> </ul> </div> </div> </li> <li><a href="/web/20211129131834/https://eso.org/public/outreach/">Divulgação<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/20211129131834/https://eso.org/public/outreach/eduoff/"> Educação <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/20211129131834/https://eso.org/public/products/education/"> Material educativo </a></li><li class=""><a href="https://web.archive.org/web/20211129131834/http://www.scienceinschool.org/" target="_blank"> Ciência na Escola </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/eduoff/teacherschools/"> Escolas </a></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/outreach/eduoff/prev-programmes/"> Programas anteriores <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-492" class="submenu-aim sublevel"><li class=""><a href="https://web.archive.org/web/20211129131834/http://www.eaae-astronomy.org/catchastar/cas2013"> Catch a Star 2013 </a></li><li class=""><a href="https://web.archive.org/web/20211129131834/http://www.eaae-astronomy.org/catchastar/cas2011"> Catch a Star 2011 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/eduoff/cas/cas2008/"> Catch a Star 2008 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/eduoff/cas/cas2007/"> Catch a Star 2007 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/eduoff/cas/cas2005/"> Catch a Star 2005 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/eduoff/cas/cas2004/"> Catch a Star 2004 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/eduoff/cas/cas2003/"> Catch a Star 2003 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/eduoff/cas/cas2002/"> Catch a Star 2002 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/eduoff/liu/"> Life in the Universe </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/eduoff/pos/"> Physics On Stage </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/eduoff/seaspace/docs/"> Sea & Space </a></li></ul></li><li class=""><a href="https://web.archive.org/web/20211129131834/http://kids.alma.cl/?lang=en"> ALMA para as Crianças </a></li></ul></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/outreach/partnerships/"> Parcerias <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-505" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/partnerships/translators/"> Tradutores voluntários </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/partnerships/eson/"> Rede de Divulgação Científica do ESO </a></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/outreach/partnerships/chile/"> Collaborations in Chile <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-508" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/partnerships/chile/2010/"> 2010 </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/partnerships/chile/2009/"> 2009 </a></li></ul></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/partnerships/eso-ambassadors/"> Embaixadores de Divulgação ESO </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/partnerships/organisations/"> Organizações de Divulgação Parceiras do ESO </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/partnerships/educators/"> Educadores informais </a></li><li class=""><a href="https://web.archive.org/web/20211129131834/http://eso.us2.list-manage1.com/subscribe?u=c35dd77ef962de779092c970b&id=bd58d6ae8d"> Formulário para Boletim de Divulgação </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/partnerships/photo-ambassadors/"> Embaixadores Fotográficos do ESO </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/partnerships/music-ambassadors/"> ESO Music Ambassadors </a></li></ul></li><li class=""><a href="https://web.archive.org/web/20211129131834/https://www.eso.org/public/outreach/first-picture-of-a-black-hole/blog/"> Taking the First Picture of a Black Hole </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/communication-resources/"> Recursos de comunicação em Astronomia </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/gems/"> Joias Cósmicas </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/social/"> Redes Sociais </a></li><li class="submenu"><a href="/web/20211129131834/https://eso.org/public/outreach/ultra-high-definition/"> Expedição Ultra HD <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-521" class="submenu-aim sublevel"><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/ultra-high-definition/team/"> Conheça os nossos herois </a></li><li class=""><a href="/web/20211129131834/https://eso.org/public/outreach/ultra-high-definition/journey/"> Horário da viagem </a></li><li class=""><a 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id="body"> <div class="notranslation-alert alert alert-info alert-dismissible" role="alert"> <button type="button" class="close" data-dismiss="alert"><span aria-hidden="true">×</span><span class="sr-only">Close</span></button> <strong>Desculpe!</strong> Esta página ainda não está disponível na língua que escolheu, por isso apresentamo-la na versão original. </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>Coudé Auxiliary Telescope (decommissioned)</h1> <p><a href="https://web.archive.org/web/20211129131834/http://www.eso.org/public/images/ib-la-silla07/"><img src="/web/20211129131834im_/https://eso.org/public/archives/static/teles-instr/lasilla/images/ib-la-silla07.jpg" border="0"/></a></p> <div class="row"> <div class="col-md-8"> <p>The ESO Coudé Auxiliary Telescope (CAT) was housed in a smaller dome, adjacent to the 3.6-metre telescope at ESO's La Silla Observatory, and fed the 3.6-metre's Coudé Echelle Spectrometer through a light tunnel. The CAT was fully computer controlled and was used for many different types of astronomical observations, including measuring the ages of ancient stars.</p> <p>La Silla: Coudé Auxiliary Telescope enclosure (attached to the 3.6-m)</p> <ul> <li>Height: 3670 cm</li> <li>Diameter: 1520 cm</li> </ul> <h3>Science goals</h3> <p>High resolution spectroscopy.</p> </div> <div class="col-md-4"> <table class="table table-bordered" width="100%"> <tbody> <tr> <td> <h3>Coudé Auxiliary Telescope</h3> <table class="table"> <tbody> <tr> <td width="60" valign="top"><strong>Name:</strong></td> <td valign="top">Coudé Auxiliary Telescope</td> </tr> <tr> <td width="30" valign="top"><strong>Site:</strong></td> <td valign="top">La Silla</td> </tr> <tr> <td width="30" valign="top"><strong>Altitude:</strong></td> <td valign="top">2375 m</td> </tr> <tr> <td valign="top"><strong>Enclosure:</strong></td> <td valign="top">Classical dome connected to ESO 3.6 m dome</td> </tr> <tr> <td valign="top"><strong>Type:</strong></td> <td valign="top">Spectrographic telescope</td> </tr> <tr> <td valign="top"><strong>Optical design:</strong></td> <td valign="top">Coudé (feeds the spectrograph of the 3.6-metre)</td> </tr> <tr> <td valign="top"><strong>Diameter. Primary M1:</strong></td> <td valign="top">1.47 m</td> </tr> <tr> <td valign="top"><strong>Material. Primary M1:</strong></td> <td valign="top">Borosilicate</td> </tr> <tr> <td valign="top"><strong>Diameter. Secondary M2:</strong></td> <td valign="top">0.22 m</td> </tr> <tr> <td valign="top"><strong>Material. Secondary M2:</strong></td> <td valign="top">N/A (four interchangeable M2 secondaries mounted on a turret)</td> </tr> <tr> <td valign="top"><strong>Diameter. Tertiary M3:</strong></td> <td valign="top">0.254 m</td> </tr> <tr> <td valign="top"><strong>Mount:</strong></td> <td valign="top">Equatorial siderostat mount</td> </tr> <tr> <td valign="top"><strong>First Light date:</strong></td> <td valign="top">5 May 1981</td> </tr> <tr> <td valign="top"><strong>Decommissioning date:</strong></td> <td valign="top">Connected to ESO's 3.60 m telescope via optical fiber in 1998</td> </tr> <tr> <td valign="top"><strong>Images taken with CAT:</strong></td> <td valign="top"><a href="https://web.archive.org/web/20211129131834/http://www.eso.org/public/images/archive/search/?adv=&facility=23">Link</a></td> </tr> <tr> <td valign="top"><strong>Images of CAT:</strong></td> <td valign="top"><a href="https://web.archive.org/web/20211129131834/http://www.eso.org/public/images/archive/search/?adv=&subject_name=Coud%C3%A9">Link</a></td> </tr> <tr> <td valign="top"><strong>Videos of CAT:</strong></td> <td valign="top"><a href="https://web.archive.org/web/20211129131834/http://www.eso.org/public/videos/archive/search/?adv=&subject_name=Coud%C3%A9">Link</a></td> </tr> <tr> <td valign="top"><strong>Press Releases with CAT:</strong></td> <td valign="top"><a href="https://web.archive.org/web/20211129131834/http://www.eso.org/public/news/archive/search/?adv=&facility=23">Link</a></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/20211129131834/mailto:information@eso.org">Envie-nos os seus comentários!</a> </div> <div class="col-xs-12 col-md-3"> <a href="/web/20211129131834/https://eso.org/public/outreach/newsletters/esonews/">Subscribe to receive news from ESO in your language</a> </div> <div class="col-xs-12 col-md-3"> <a href="https://web.archive.org/web/20211129131834/https://www.cdn77.com/">Accelerated by CDN77</a> </div> <div class="col-xs-12 col-md-3"> <a href="/web/20211129131834/https://eso.org/public/about-eso/privacy/">Termos e Condições</a> </div> </div> <link href="/web/20211129131834cs_/https://eso.org/public/archives/djp/css/extras.166b25c68b97.css" rel="stylesheet" type="text/css"/> <script type="text/javascript">var MEDIA_URL = "/public/archives/"</script> <script type="text/javascript" src="/web/20211129131834js_/https://eso.org/public/archives/djp/js/main.31c9a9017e79.js" charset="utf-8"></script> </div>  <div id="social-share" class="hidden-print"> <div class="link facebook" data-toggle="tooltip" data-placement="right" title="Share on Facebook"> <a href="https://web.archive.org/web/20211129131834/https://www.facebook.com/sharer/sharer.php?u=https://www.eso.org/public/brazil/teles-instr/lasilla/coude/" target="_blank"><i class="fa fa-facebook" aria-hidden="true"></i></a> </div> <div class="link twitter" data-toggle="tooltip" data-placement="right" title="Share on Twitter"> <a href="https://web.archive.org/web/20211129131834/http://twitter.com/intent/tweet?url=https://www.eso.org/public/brazil/teles-instr/lasilla/coude/&text=Coudé Auxiliary Telescope (decommissioned)&via=ESO" target="_blank"><i class="fa fa-twitter" aria-hidden="true"></i></a> </div> <div class="link pinterest" data-toggle="tooltip" data-placement="right" title="Share on Pinterest"> <a href="https://web.archive.org/web/20211129131834/http://pinterest.com/pin/create/button/?url=https://www.eso.org/public/brazil/teles-instr/lasilla/coude/&media=&description=Coudé Auxiliary Telescope (decommissioned)" target="_blank"><i class="fa fa-pinterest" aria-hidden="true"></i></a> </div> <div class="link print" data-toggle="tooltip" data-placement="right" title="Print"> <a href="javascript:window.print()" target="_blank"><i class="fa fa-print" aria-hidden="true"></i></a> </div> <div class="link email" data-toggle="tooltip" data-placement="right" title="Share by email"> <a href="https://web.archive.org/web/20211129131834/mailto:%20?subject=ESO — Coudé Auxiliary Telescope (decommissioned)&body=https://www.eso.org/public/brazil/teles-instr/lasilla/coude/" target="_blank"><i class="fa fa-envelope-o" aria-hidden="true"></i></a> </div> </div> <script> $('[data-toggle="tooltip"]').tooltip(); </script> <input type="hidden" name="csrfmiddlewaretoken" value="TTY62rD77znXL68yTw0BS6EkSAQ3FQS5KK7Xhs1j2OjpNG8RHTR4Azj31Q2qLZK2"/> </body> </html>

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