28 June 2006 FLAMINGOS-2: the facility near-infrared wide-field imager and multi-object spectrograph for Gemini
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Abstract
We report on the design and status of the FLAMINGOS-2 instrument - a fully-cryogenic facility near-infrared imager and multi-object spectrograph for the Gemini 8-meter telescopes. FLAMINGOS-2 has a refractive all-spherical optical system providing 0.18-arcsecond pixels and a 6.2-arcminute circular field-of-view on a 2048×2048-pixel HAWAII-2 0.9-2.4 μm detector array. A slit/decker wheel mechanism allows the selection of up to 9 multi-object laser-machined plates or 3 long slits for spectroscopy over a 6×2-arcminute field of view, and selectable grisms provide resolutions from ~1300 to ~3000 over the entire spectrograph bandpass. FLAMINGOS-2 is also compatible with the Gemini Multi- Conjugate Adaptive Optics system, providing multi-object spectroscopic capabilities over a 3×1-arcminute field with high spatial resolution (0.09-arcsec/pixel). We review the designs of optical, mechanical, electronics, software, and On- Instrument WaveFront Sensor subsystems. We also present the current status of the project, currently in final testing in mid-2006.
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Stephen Eikenberry, Richard Elston, S. Nicholas Raines, Jeff Julian, Kevin Hanna, David Hon, Roger Julian, R. Bandyopadhyay, J. Greg Bennett, Aaron Bessoff, Matt Branch, Richard Corley, John-David Eriksen, Skip Frommeyer, Anthony Gonzalez, Michael Herlevich, Antonio Marin-Franch, Jose Marti, Charlie Murphy, David Rashkin, Craig Warner, Brian Leckie, W. Rusty Gardhouse, Murray Fletcher, Jennifer Dunn, Robert Wooff, Tim Hardy, "FLAMINGOS-2: the facility near-infrared wide-field imager and multi-object spectrograph for Gemini", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 626917 (28 June 2006); doi: 10.1117/12.672095; https://doi.org/10.1117/12.672095
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