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Proceedings Paper

The Apache Point Observatory Galactic Evolution Experiment (APOGEE) high-resolution near-infrared multi-object fiber spectrograph
Author(s): John C. Wilson; Fred Hearty; Michael F. Skrutskie; Steven Majewski; Ricardo Schiavon; Daniel Eisenstein; Jim Gunn; Basil Blank; Chuck Henderson; Stephen Smee; Robert Barkhouser; Al Harding; Greg Fitzgerald; Todd Stolberg; Jim Arns; Matt Nelson; Sophia Brunner; Adam Burton; Eric Walker; Charles Lam; Paul Maseman; Jim Barr; French Leger; Larry Carey; Nick MacDonald; Todd Horne; Erick Young; George Rieke; Marcia Rieke; Tom O'Brien; Steve Hope; John Krakula; Jeff Crane; Bo Zhao; Mike Carr; Craig Harrison; Robert Stoll; Mary Ann Vernieri; Jon Holtzman; Matt Shetrone; Carlos Allende-Prieto; Jennifer Johnson; Peter Frinchaboy; Gail Zasowski; Dmitry Bizyaev; Bruce Gillespie; David Weinberg
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Paper Abstract

The Apache Point Observatory Galactic Evolution Experiment (APOGEE) will use a dedicated 300-fiber, narrow-band (1.5-1.7 micron), high resolution (R~30,000), near-infrared spectrograph to survey approximately 100,000 giant stars across the Milky Way. This survey, conducted as part of the Sloan Digital Sky Survey III (SDSS III), will revolutionize our understanding of kinematical and chemical enrichment histories of all Galactic stellar populations. The instrument, currently in fabrication, will be housed in a separate building adjacent to the 2.5 m SDSS telescope and fed light via approximately 45-meter fiber runs from the telescope. The instrument design includes numerous technological challenges and innovations including a gang connector that allows simultaneous connection of all fibers with a single plug to a telescope cartridge that positions the fibers on the sky, numerous places in the fiber train in which focal ratio degradation must be minimized, a large (290 mm x 475 mm elliptically-shaped recorded area) mosaic-VPH, an f/1.4 sixelement refractive camera featuring silicon and fused silica elements with diameters as large as 393 mm, three near-within a custom, LN2-cooled, stainless steel vacuum cryostat with dimensions 1.4 m x 2.3 m x 1.3 m.

Paper Details

Date Published: 15 July 2010
PDF: 14 pages
Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77351C (15 July 2010);
Show Author Affiliations
John C. Wilson, Univ. of Virginia (United States)
Fred Hearty, Univ. of Virginia (United States)
Michael F. Skrutskie, Univ. of Virginia (United States)
Steven Majewski, Univ. of Virginia (United States)
Ricardo Schiavon, Gemini Observatory (United States)
Daniel Eisenstein, Steward Observatory, The Univ. of Arizona (United States)
Jim Gunn, Princeton Univ. (United States)
Basil Blank, PulseRay (United States)
Chuck Henderson, PulseRay (United States)
Stephen Smee, The Johns Hopkins Univ. (United States)
Robert Barkhouser, The Johns Hopkins Univ. (United States)
Al Harding, The Johns Hopkins Univ. (United States)
Greg Fitzgerald, New England Optical Systems Inc. (United States)
Todd Stolberg, New England Optical Systems Inc. (United States)
Jim Arns, Kaiser Optical Systems Inc. (United States)
Matt Nelson, Univ. of Virginia (United States)
Sophia Brunner, Univ. of Virginia (United States)
Adam Burton, Univ. of Virginia (United States)
Eric Walker, Univ. of Virginia (United States)
Charles Lam, Univ. of Virginia (United States)
Paul Maseman, Steward Observatory, The Univ. of Arizona (United States)
Jim Barr, Univ. of Virginia (United States)
French Leger, Univ. of Washington (United States)
Larry Carey, Univ. of Washington (United States)
Nick MacDonald, Apache Point Observatory (United States)
Todd Horne, Steward Observatory, The Univ. of Arizona (United States)
Erick Young, SOFIA / USRA (United States)
George Rieke, Steward Observatory, The Univ. of Arizona (United States)
Marcia Rieke, Steward Observatory, The Univ. of Arizona (United States)
Tom O'Brien, The Ohio State Univ. (United States)
Steve Hope, The Johns Hopkins Univ. (United States)
John Krakula, The Johns Hopkins Univ. (United States)
Jeff Crane, Carnegie Observatories (United States)
Bo Zhao, Univ of Florida (United States)
Mike Carr, Princeton Univ. (United States)
Craig Harrison, C Technologies, Inc. (United States)
Robert Stoll, C Technologies, Inc. (United States)
Mary Ann Vernieri, C Technologies, Inc. (United States)
Jon Holtzman, New Mexico State Univ. (United States)
Matt Shetrone, The Univ. of Texas at Austin (United States)
Carlos Allende-Prieto, Instituto de Astrofisica de Canarias (Spain)
Univ. de La Laguna (Spain)
Jennifer Johnson, The Ohio State Univ. (United States)
Peter Frinchaboy, Texas Christian Univ. (United States)
Gail Zasowski, Univ. of Virginia (United States)
Dmitry Bizyaev, Apache Point Observatory (United States)
Bruce Gillespie, Apache Point Observatory (United States)
David Weinberg, The Ohio State Univ. (United States)


Published in SPIE Proceedings Vol. 7735:
Ground-based and Airborne Instrumentation for Astronomy III
Ian S. McLean; Suzanne K. Ramsay; Hideki Takami, Editor(s)

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