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11 July 2006 FLITECAM: a 1-5 micron camera and spectrometer for SOFIA
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Abstract
FLITECAM is a 1-5 micron infrared camera for NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA). A 1024 ×1024 InSb ALADDIN III detector and large refractive optics provide a field of view of almost 8 arc minutes in diameter with a scale of just under 0.5 arc seconds per pixel. The instrument is cooled by a double liquid helium and liquid nitrogen cryostat. Using a collimated beam of about 26 mm diameter, a low resolution spectroscopic mode is also available using direct-ruled KRS5 grisms and fixed slits of either 1" or 2" width and 60" length to yield resolving powers of R~1700 and 900 respectively. FLITECAM has been partially commissioned at the 3-m Shane telescope of Lick Observatory where the f/17 optics of this telescope provides almost the same plate scale as SOFIA. Astronomical observing requests (scripts) and a real-time data reduction pipeline (DRP) for dithered image patterns have been demonstrated. The performance of the instrument during ground-based trials is illustrated.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ian S. McLean, Erin C. Smith, T. Aliado, G. Brims, E. Kress, K. Magnone, J. Milburn, A. Oldag, T. Silvers, G. Skulason, Eric E. Becklin, and Ralph Y. Shuping "FLITECAM: a 1-5 micron camera and spectrometer for SOFIA", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 62695B (11 July 2006); https://doi.org/10.1117/12.672173
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