Mid-Infrared Imaging of Sub-arcsecond Source Structure in Orion BN/KL with the 10-m Keck I Telescope: Understanding the Morphology and Energy Budget of the Infrared Complex.

Details Mid-Infrared Imaging of Sub-arcsecond Source Structure in Orion BN/KL with the 10-m Keck I Telescope: Understanding the Morphology and Energy Budget of the Infrared Complex. Mid-Infrared Imaging of Sub-arcsecond Source Structure in Orion BN/KL with the 10-m Keck I Telescope: Understanding the Morphology and Energy Budget of the Infrared Complex.

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...19915502g&link_type=abstract

American Astronomical Society, 199th AAS Meeting, #155.02; Bulletin of the American Astronomical Society, Vol. 34, p.561

Astronomy and Astrophysics

Astronomy

Scientific paper

We present new nearly diffraction-limited images of the Orion BN/KL infrared complex at 4.8, 8.0, 12.5 and 18.1 um obtained with the 10-m Keck I telescope. Remarkable new structural detail ( 0.3 arcsec FWHM) is resolved in the vicinity of the compact sources IRc2, IRc7, and "n" as well as the extended source IRc4. The multi-wavelength observational image data is registered in a stack and a dust emission/extinction model is fitted to the spectrum of each pixel to create a diffraction-limited "image" of the temperature, opacity and luminosity of the emitting dust, as well as the circumstellar and line-of-sight dust extinction. New temperature, opacity and luminosity detail is seen in the vicinity of IRc2-IRc7, and the model results are used to develop a more complete picture of the structure and energetics of the BN/KL infrared complex.

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