G@M: Design of the Giant Magellan Telescope  Consortium Large Earth Finder (G-CLEF) for operations at the Magellan telescopes.

Andrew Szentgyorgyi; Stuart McMuldroch; Sagi Ben-Ami; Kang-Min Kim; Chan Park; Daniel Baldwin; Stuart Barnes; Daniel Bednarski; Jacob Bean; Patricia Brennan; Baptiste Callendret; Daniel Catropa; Moo-Young Chun; Laird Close; Jeffrey D. Crane; Daniel Durusky; Jason Eastman; Harland Epps; Ian N. Evans; Janet DePonte Evans; Thomas Gauron; Vitor Hartmann; Ofir Hershko; Bi Ho Jang; Jeong-Gyun Jang; Ueejeong Jeong; Andres Jordan; Colby Jurgenson; Jan Kansky; Jihun Kim; Sanghyuk Kim; Yunjong Kim; Sungho Lee; Henrique Lupinari; Jared Males; Kenneth McCracken; Michael McQuade; Claudia Mendes de Oliveira; Rafael Millan-Gabet; Mark Mueller; Jae Sok Oh; Cem Onyuksel; Byeong-Gon Park; Sung-Joon Park; Priscila Pires; William Podgorski; Andreas Seifahrt; Matthew Smith; Joao Steiner; Alan Uomoto; Young-Sam Yu; Joseph Zajac; Rafael Brahm

doi:10.1117/12.2629045

29 August 2022 G@M: Design of the Giant Magellan Telescope Consortium Large Earth Finder (G-CLEF) for operations at the Magellan telescopes.

Andrew Szentgyorgyi, Stuart McMuldroch, Sagi Ben-Ami, Kang-Min Kim, Chan Park, Daniel Baldwin, Stuart Barnes, Daniel Bednarski, Jacob Bean, Patricia Brennan, Baptiste Callendret, Daniel Catropa, Moo-Young Chun, Laird Close, Jeffrey D. Crane, Daniel Durusky, Jason Eastman, Harland Epps, Ian N. Evans, Janet DePonte Evans, Thomas Gauron, Vitor Hartmann, Ofir Hershko, Bi Ho Jang, Jeong-Gyun Jang, Ueejeong Jeong, Andres Jordan, Colby Jurgenson, Jan Kansky, Jihun Kim, Sanghyuk Kim, Yunjong Kim, Sungho Lee, Henrique Lupinari, Jared Males, Kenneth McCracken, Michael McQuade, Claudia Mendes de Oliveira, Rafael Millan-Gabet, Mark Mueller, Jae Sok Oh, Cem Onyuksel, Byeong-Gon Park, Sung-Joon Park, Priscila Pires, William Podgorski, Andreas Seifahrt, Matthew Smith, Joao Steiner, Alan Uomoto, Young-Sam Yu, Joseph Zajac, Rafael Brahm

Author Affiliations +

Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; 121841N (2022) https://doi.org/10.1117/12.2629045
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

This paper describes the deployment of the GMT-Consortium Large Earth Finder (G-CLEF) at the Clay telescope, one of the two Magellan telescopes, in late 2025, moving to the GMT in 2030. G-CLEF is a fiber-fed, ultra-high stability optical band echelle spectrograph designed for extremely precise stellar radial velocity measurement. On the Magellan Clay telescope, G-CLEF will take spectra with resolution up to ~300,000, fully resolving molecular spectral features and opening totally new discovery space for exoplanet atmosphere composition studies. G@M will also be coupled to the Magellan extreme adaptive optics facility, MagAO-X which will allow it to spatially resolve several exoplanets from their host stars. We provide a system description of the G@M instrument as it will be configured at Magellan. A top-level review of optomechanics, electronics and control systems follows, as well as a description of several risk-reduction exercises the team has undertaken.

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Andrew Szentgyorgyi, Stuart McMuldroch, Sagi Ben-Ami, Kang-Min Kim, Chan Park, Daniel Baldwin, Stuart Barnes, Daniel Bednarski, Jacob Bean, Patricia Brennan, Baptiste Callendret, Daniel Catropa, Moo-Young Chun, Laird Close, Jeffrey D. Crane, Daniel Durusky, Jason Eastman, Harland Epps, Ian N. Evans, Janet DePonte Evans, Thomas Gauron, Vitor Hartmann, Ofir Hershko, Bi Ho Jang, Jeong-Gyun Jang, Ueejeong Jeong, Andres Jordan, Colby Jurgenson, Jan Kansky, Jihun Kim, Sanghyuk Kim, Yunjong Kim, Sungho Lee, Henrique Lupinari, Jared Males, Kenneth McCracken, Michael McQuade, Claudia Mendes de Oliveira, Rafael Millan-Gabet, Mark Mueller, Jae Sok Oh, Cem Onyuksel, Byeong-Gon Park, Sung-Joon Park, Priscila Pires, William Podgorski, Andreas Seifahrt, Matthew Smith, Joao Steiner, Alan Uomoto, Young-Sam Yu, Joseph Zajac, and Rafael Brahm "G@M: Design of the Giant Magellan Telescope Consortium Large Earth Finder (G-CLEF) for operations at the Magellan telescopes.", Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 121841N (29 August 2022); https://doi.org/10.1117/12.2629045

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KEYWORDS

Telescopes

Exoplanets

Spectrographs

Stars

Optical instrument design

Spectral resolution

Oxygen

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