Journal
JOURNAL OF ASTRONOMICAL INSTRUMENTATION
Volume 7, Issue 4, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S2251171718400056
Keywords
SOFIA (FORCAST); airborne; imaging; spectroscopy; mid-infrared
Categories
Funding
- NASA [NAS2-97001, 8500-98-014]
- DLR [50 OK 0901]
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We describe the Faint Object infraRed CAmera for the SOFIA Telescope (FORCAST) which is presently operating as a facility instrument on the Stratospheric Observatory For Infrared Astronomy (SOFIA). FORCAST provides imaging and moderate resolution spectroscopy capability over the 5-40 mu m wavelength range. In imaging mode, FORCAST has a 3.4' x 3.2' field-of-view with 0.768 '' pixels. Using grisms, FORCAST provides long-slit low-resolution (R = 100-300) and short-slit, cross-dispersed medium-resolution spectroscopic modes (R = 800-1200) over select wavelengths. Preceded by both Spitzer and Herschel, the discovery phase space for FORCAST lies in providing unique photometric bands and/or spectroscopic coverage, higher spatial resolution and exploration of the brightest sources which typically saturate space observatories.
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