Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21911605d&link_type=abstract
American Astronomical Society, AAS Meeting #219, #116.05
Astronomy and Astrophysics
Astronomy
Scientific paper
The inner three square arcminute area of the Orion nebula, centered on the Trapezium and including the BN/KL region, was observed as a part of Early Science observations with SOFIA. Using the 5-40 micron camera FORCAST, we imaged this region at 6.6, 7.7, 19.7, 31.5, and 37.1 microns. These observations provide the highest resolution images ever obtained for these latter two wavelengths with a resolution of FWHM 3 arcseconds. Here we present data on the whole area, concentrating on the results obtained for the BN/KL region, where the mid-infrared intensities and dust color temperature distribution help determine which sources are internally and externally heated. In particular, our observations show that the BN object itself is not a dominant luminosity source at wavelengths >30 microns, and that the brightest source at our longest wavelengths is IRc4, which appears to be self-luminous.
Adams Joseph D.
Becklin Eric E.
de Buizer James M.
Herter Terry L.
Morris Mark R.
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