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    Overview and status of the Giant Magellan Telescope project

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    1070012.pdf
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    Final Published version
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    Author
    McCarthy, Patrick J.
    Ashby, David S.
    Bigelow, Bruce C.
    Bouchez, Antonin H.
    Burgett, William S.
    Chauvin, Eric
    Contos, Adam
    Figueroa, Francisco
    Gray, Peter
    Groark, Frank
    Laskin, Robert
    Millan-Gabet, Rafael
    Rakich, Andrew
    Sandoval, Rodrigo
    Fanson, James L.
    Bernstein, Rebecca
    Angeli, George Z.
    Pi, Marti
    Wheeler, Nune
    Show allShow less
    Affiliation
    Univ Arizona
    Issue Date
    2018
    Keywords
    GMT
    GMTO
    Giant Magellan Telescope
    Extremely Large Telescope
    overview
    
    Metadata
    Show full item record
    Publisher
    SPIE-INT SOC OPTICAL ENGINEERING
    Citation
    James Fanson, Patrick J. McCarthy, Rebecca Bernstein, George Angeli, David Ashby, Bruce Bigelow, Antonin Bouchez, William Burgett, Eric Chauvin, Adam Contos, Francisco Figueroa, Peter Gray, Frank Groark, Robert Laskin, Rafael Millan-Gabet, Andrew Rakich, Rodrigo Sandoval, Marti Pi, and Nune Wheeler "Overview and status of the Giant Magellan Telescope project", Proc. SPIE 10700, Ground-based and Airborne Telescopes VII, 1070012 (6 July 2018); doi: 10.1117/12.2313340; https://doi.org/10.1117/12.2313340
    Journal
    GROUND-BASED AND AIRBORNE TELESCOPES VII
    Rights
    © 2018 SPIE.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    The Giant Magellan Telescope project is proceeding with design, fabrication, and site construction. The first of the seven required 8.4-m primary mirror segments is completed and in storage, three segments are in various stages of grinding and polishing, and the fifth segment has been cast. Industry contracts are underway to complete the design of the telescope structure. Residence buildings and other facilities needed to support construction at the Las Campanas site in Chile are complete. Hard rock excavation is imminent in preparation for the pouring of concrete for the telescope pier and other foundations. Computational fluid dynamics analysis is informing the design of the telescope enclosure, and further construction work packages are being readied for tender. Seismic design considerations have resulted in the incorporation of a seismic isolation system into the telescope pier, as well as modifications to the primary mirror support system. Designs for the fast-steering and adaptive secondary mirrors, science instruments, and other subsystems are maturing. Prototyping is underway in various aspects, including on-sky testing of wavefront sensing and control elements, and the telescope metrology system. Our fabrication and construction schedule calls for engineering first light with a subset of primary mirror segments in late 2023, with buildout to the full configuration occurring in stages, paced by the availability of primary mirror segments and other components.
    ISSN
    9781510619531
    9781510619548
    DOI
    10.1117/12.2313340
    10.1117/12.2313340.5807168642001
    Version
    Final published version
    Sponsors
    GMTO Corporation
    Additional Links
    https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10700/2313340/Overview-and-status-of-the-Giant-Magellan-Telescope-project/10.1117/12.2313340.full
    https://www.spiedigitallibrary.org/conference-presentations/10700/1070012/Overview-and-status-of-the-Giant-Magellan-Telescope-project/10.1117/12.2313340.5807168642001
    ae974a485f413a2113503eed53cd6c53
    10.1117/12.2313340
    Scopus Count
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    UA Faculty Publications

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