FLAMINGOS-2: the facility near-infrared wide-field imager and multi-object spectrograph for Gemini

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DOIResolve DOI: http://doi.org/10.1117/12.925679
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TypeArticle
Proceedings titleGround-based and Airborne Instrumentation for Astronomy IV
Series titleProceedings of SPIE; Volume 8446
ConferenceGround-Based and Airborne Instrumentation for Astronomy IV, July 1-6, 2012, Amsterdam, Netherlands
ISSN0277-786X
ISBN9780819491473
Article number84460I
SubjectBand pass; Detector arrays; Field of views; High spatial resolution; Multi-conjugate adaptive optics systems; Multi-object spectrograph; Near Infrared; Wave front sensors; Wheel mechanism; Wide-field imager; Infrared devices; Optical systems; Spectrographs; Pixels
AbstractWe report on the design, on-sky performance, and status of the FLAMINGOS-2 instrument - the 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 2048x2048-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 6x2-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 3x1-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 on-sky performance measured during acceptance testing in 2009, as well as current status of the project and future plans.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); National Science Infrastructure
Peer reviewedYes
NPARC number21270279
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Record identifier30e64c97-3e3e-4514-bd21-587b80094ab0
Record created2014-01-20
Record modified2016-05-09
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