On-sky commissioning of MAROON-X: a new precision radial velocity spectrograph for Gemini North

Andreas Seifahrt*, Jacob L. Bean, Julian Stürmer, David Kasper, Luke Gers, Christian Schwab, Mathias Zechmeister, Guðmundur Stefánsson, Ben Montet, Leonardo A. Dos Santos, Alison Peck, John White, Eduardo Tapia

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

    31 Citations (Scopus)

    Abstract

    MAROON-X is a fiber-fed, red-optical, high precision radial velocity spectrograph recently commissioned at the Gemini North telescope on Mauna Kea, Hawai'i. With a resolving power of 85,000 and a wavelength coverage of 500-920 nm, it delivers radial velocity measurements for late K and M dwarfs with sub-50 cm s-1 precision. MAROON-X is currently the only optical EPRV spectrograph on a 8 m-class telescope in the northern hemisphere and the only EPRV instrument on a large telescope with full access by the entire US community. We report here on the results of the commissioning campaign in December 2019 and early science results.

    Original languageEnglish
    Title of host publicationGround-Based and Airborne Instrumentation for Astronomy VIII
    EditorsChristopher J. Evans, Julia J. Bryant, Kentaro Motohara
    Place of PublicationBellingham, Washington
    PublisherSPIE
    Pages114471F-1-114471F-21
    Number of pages21
    ISBN (Electronic)9781510636828
    ISBN (Print)9781510636811
    DOIs
    Publication statusPublished - 14 Dec 2020
    EventGround-Based and Airborne Instrumentation for Astronomy VIII 2020 - Virtual, Online, United States
    Duration: 14 Dec 202022 Dec 2020

    Publication series

    NameProceedings of SPIE
    PublisherSPIE
    Volume11447
    ISSN (Print)0277-786X
    ISSN (Electronic)1996-756X

    Conference

    ConferenceGround-Based and Airborne Instrumentation for Astronomy VIII 2020
    Country/TerritoryUnited States
    CityVirtual, Online
    Period14/12/2022/12/20

    Keywords

    • Echelle spectrograph
    • EPRV
    • Exoplanets
    • Gemini observatory
    • Optical fibers
    • Pupil slicer
    • Radial velocity

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