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Swiss 1.2-metre Leonhard Euler Telescope
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<h2 id="coralie">CORALIE</h2> <p>The CORALIE spectrograph is an <a href="/facts/Echelle_grating/tec3DMdg">echelle</a>- type <a href="/facts/Spectrograph/BjshQbA8">spectrograph</a> used for astronomy. It is a copy of the <a href="/facts/ELODIE_spectrograph/GyzL9W8w">ELODIE spectrograph</a> used by <a href="/facts/Michel_Mayor/l5GPzngL">Michel Mayor</a> and <a href="/facts/Didier_Queloz/dwNnejKf">Didier Queloz</a> to detect the planet orbiting a star . In April 1998 it was built and installed at the Euler Telescope. Later in 2007 it was upgraded by <a href="/facts/Didier_Queloz/dwNnejKf">Didier Queloz</a> and his team to increase its performances to support <a href="/facts/Wide_Angle_Search_for_Planets/fp58Y205">Wide Angle Search for Planets</a> program and <a href="/facts/Next-Generation_Transit_Survey/NkuvQgW5">Next-Generation Transit Survey</a>. The instrument is optimized to measure <a href="/facts/Doppler_effect/bzrK1BKf">Doppler effect</a> on a star's <a href="/facts/Electromagnetic_spectrum/24LARvFY">electromagnetic spectrum</a> with great precision to detect the gravitational tug of an exoplanet orbiting around it.<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a><a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a> It also known as "radial velocity" or "wobble" method, is an indirect <a href="/facts/Methods_of_detecting_exoplanets/vFIblQe9">detection method</a>. The mass of the planet can be estimated from these measurements. </p><p>The spectrograph participates in the <a href="http://obswww.unige.ch/~udry/planet/coralie.html">Southern Sky extrasolar Planet search Programme</a> initiated by <a href="/facts/Michel_Mayor/l5GPzngL">Michel Mayor</a> </p><p>In 2010 visible camera EulerCam was installed by <a href="/facts/Didier_Queloz/dwNnejKf">Didier Queloz</a>. Camera main objective was to measure planet by <a href="/facts/Transit_method/vFIblQe9">transit method</a> by supporting ground base program such as <a href="/facts/Wide_Angle_Search_for_Planets/fp58Y205">Wide Angle Search for Planets</a> . The size of an exoplanet can be estimated using the transit method. By combining the measured size and mass from both methods, it can be determined whether the observed exoplanet is gaseous or rocky. </p> <h3>Characteristics</h3> <p>The resolution of CORALIE is fixed at R = 50,000 with three-pixel sampling. The detector <a href="/facts/Charge-coupled_device/l6xffIcz">charge-coupled device</a> is 2k X 2k with a 15 micrometer pixel size. </p> <h3>Discovered exoplanets</h3> <p>The first five planetary object discovered using CORALIE are </p> <table><tbody><tr><th><a href="/facts/Planet/rbPjE6Bx">Planet</a></th><th>Announced in</th><th>Refs</th></tr><tr><td><a href="/facts/Gliese_86_b/lNxzzHqs">Gliese 86 b</a></td><td>1998</td><td><a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a></td></tr><tr><td><a href="/facts/HD_75289_b/7oTNcgpG">HD 75289 b</a></td><td>1999</td><td><a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a></td></tr><tr><td><a href="/facts/Eiger_(planet)/at3QkzKK">Eiger</a></td><td>1999</td><td><a class="footnote-ref" id="fnref:11" href="#fn:11"><sup>11</sup></a></td></tr><tr><td><a href="/facts/Beirut_(planet)/2yeTXFGm">Beirut</a></td><td>1999</td><td><a class="footnote-ref" id="fnref:12" href="#fn:12"><sup>12</sup></a><a class="footnote-ref" id="fnref:13" href="#fn:13"><sup>13</sup></a></td></tr><tr><td><a href="/facts/GJ_3021_b/wbFTMzoM">GJ 3021 b</a></td><td>2000</td><td><a class="footnote-ref" id="fnref:14" href="#fn:14"><sup>14</sup></a></td></tr></tbody></table> <h2 id="gallery">Gallery</h2> <h3>Video</h3> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/ELODIE_spectrograph/GyzL9W8w">ELODIE spectrograph</a></li> <li><a href="/facts/List_of_largest_optical_telescopes_in_the_20th_century/lmm7cKuA">List of largest optical telescopes in the 20th century</a></li> <li><a href="/facts/St%25C3%25A9phane_Udry/9VATW5BC">Stéphane Udry</a></li> <li><a href="/facts/WASP-15/V3dqet2S">WASP-15</a></li></ul> <h2 id="external-links">External links</h2> Wikimedia Commons has media related to Leonhard Euler Telescope. <ul><li><a href="http://www.eso.org/public/teles-instr/lasilla/swiss.html">ESO La Silla 1.2m Leonhard Euler Telescope</a></li> <li><a href="http://obswww.unige.ch/~udry/planet/coralie.html">Southern Sky extrasolar Planet search Programme</a></li> <li><a href="http://www.aanda.org/articles/aa/full/2001/31/aa10239/aa10239.html">The CORALIE survey for southern extrasolar planets</a></li> <li><a href="http://www.exoplanets.ch/">www.exoplanets.ch</a></li> <li><a href="http://www.unige.ch/sciences/astro/en/">University of Geneva – The Geneva Observatory</a></li> <li><a href="http://www.daviddarling.info/encyclopedia/L/Leonard_Euler_Telescope.html">daviddarling.info /Euler</a></li> <li><a href="http://astro.berkeley.edu/~gmarcy/hd83443/pressrelease.html">ESO press release: 4 May 2000</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Swiss 1.2-metre Leonhard Euler Telescope". ESO. Retrieved 10 September 2015. <a href="https://www.eso.org/public/teles-instr/lasilla/swiss/" target="_blank">https://www.eso.org/public/teles-instr/lasilla/swiss/</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"EULER". Exoplanets. Switzerland: Université de Genève. Retrieved 10 September 2015. <a href="http://exoplanets.ch/projects/euler/" target="_blank">http://exoplanets.ch/projects/euler/</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"EULER". Exoplanets. Switzerland: Université de Genève. Retrieved 10 September 2015. <a href="http://exoplanets.ch/projects/euler/" target="_blank">http://exoplanets.ch/projects/euler/</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Queloz, D.; Mayor, M.; Weber, L.; Blecha, A.; et al. (1999). "A planet orbiting the star Gliese 86". arXiv:astro-ph/9910223. <a href="/wiki/ArXiv_(identifier)" target="_blank">/wiki/ArXiv_(identifier)</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>"Southern Sky extrasolar Planet search Programme". unige.ch. <a href="http://obswww.unige.ch/~udry/planet/coralie.html" target="_blank">http://obswww.unige.ch/~udry/planet/coralie.html</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>Queloz, D.; Anderson, D. R.; Collier Cameron, A.; Gillon, M.; et al. (2010). "WASP-8b: a retrograde transiting planet in a multiple system". Astronomy and Astrophysics. 517: L1. arXiv:1006.5089. Bibcode:2010A&A...517L...1Q. doi:10.1051/0004-6361/201014768. S2CID 35774603. <a href="/wiki/ArXiv_(identifier)" target="_blank">/wiki/ArXiv_(identifier)</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Queloz, D.; Mayor, M.; Weber, L.; Blécha, A.; et al. (2000). "The CORALIE survey for southern extra-solar planets. I. A planet orbiting the star Gliese 86". Astronomy and Astrophysics. 354: 99–102. Bibcode:2000A&A...354...99Q. <a href="/wiki/Astronomy_and_Astrophysics" target="_blank">/wiki/Astronomy_and_Astrophysics</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>ESO publication, D. Queloz and M. Mayor, From CORALIE to HARPS, September 2001 <a href="https://www.eso.org/sci/publications/messenger/archive/no.105-sep01/messenger-no105-1-7.pdf" target="_blank">https://www.eso.org/sci/publications/messenger/archive/no.105-sep01/messenger-no105-1-7.pdf</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>Queloz, D.; Mayor, M.; Weber, L.; Blécha, A.; et al. (2000). "The CORALIE survey for southern extra-solar planets. I. A planet orbiting the star Gliese 86". Astronomy and Astrophysics. 354: 99–102. Bibcode:2000A&A...354...99Q. <a href="/wiki/Astronomy_and_Astrophysics" target="_blank">/wiki/Astronomy_and_Astrophysics</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>Udry; Mayor, M.; Naef, D.; Pepe, F.; et al. (2000). "The CORALIE survey for southern extra-solar planets II. The short-period planetary companions to HD 75289 and HD 130322". Astronomy and Astrophysics. 356: 590–598. Bibcode:2000A&A...356..590U. <a href="/wiki/Astronomy_and_Astrophysics" target="_blank">/wiki/Astronomy_and_Astrophysics</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>Udry; Mayor, M.; Naef, D.; Pepe, F.; et al. (2000). "The CORALIE survey for southern extra-solar planets II. The short-period planetary companions to HD 75289 and HD 130322". Astronomy and Astrophysics. 356: 590–598. Bibcode:2000A&A...356..590U. <a href="/wiki/Astronomy_and_Astrophysics" target="_blank">/wiki/Astronomy_and_Astrophysics</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></p></li> <li id="fn:12"><p>Santos, N.; Udry, S.; Mayor, M.; Naef, D.; et al. (2003). "The CORALIE survey for southern extra-solar planets XI. The return of the giant planet orbiting HD192263". Astronomy and Astrophysics. 406 (1): 373–381. arXiv:astro-ph/0305434. Bibcode:2003A&A...406..373S. doi:10.1051/0004-6361:20030776. S2CID 16247618. <a href="/wiki/Astronomy_and_Astrophysics" target="_blank">/wiki/Astronomy_and_Astrophysics</a> <a href="#fnref:12" class="footnote-back-ref">↩</a></p></li> <li id="fn:13"><p>Santos, N.; Mayor, M.; Naef, D.; Pepe, F.; et al. (2000). "The CORALIE survey for southern extra-solar planets III. A giant planet in orbit around HD 192263". Astronomy and Astrophysics. 356: 599–602. Bibcode:2000A&A...356..599S. <a href="/wiki/Astronomy_and_Astrophysics" target="_blank">/wiki/Astronomy_and_Astrophysics</a> <a href="#fnref:13" class="footnote-back-ref">↩</a></p></li> <li id="fn:14"><p>Naef, D.; Mayor, M.; Pepe, F.; Queloz, D.; et al. (2001). "The CORALIE survey for southern extrasolar planets V: 3 new extrasolar planets". Astronomy and Astrophysics. 375 (1): 205–218. arXiv:astro-ph/0106255. Bibcode:2001A&A...375..205N. doi:10.1051/0004-6361:20010841. S2CID 16606841. <a href="/wiki/Astronomy_and_Astrophysics" target="_blank">/wiki/Astronomy_and_Astrophysics</a> <a href="#fnref:14" class="footnote-back-ref">↩</a></p></li> </ol>