8.3 and 12.4 micron imaging of the Galactic Center source complex with the Goddard infrared array camera

Details 8.3 and 12.4 micron imaging of the Galactic Center source complex with the Goddard infrared array camera 8.3 and 12.4 micron imaging of the Galactic Center source complex with the Goddard infrared array camera

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...299.1007g&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 299, Dec. 15, 1985, p. 1007-1016. NASA-supported research. Previously annou

Astronomy and Astrophysics

Astronomy

31

Cameras, Infrared Astronomy, Infrared Detectors, Infrared Imagery, Infrared Photography, Milky Way Galaxy, Arrays, Bismuth, Color, Design Analysis, Heating, Image Processing, Mapping, Opacity, Silicon, Spatial Resolution, Temperature

Scientific paper

A 30 x 30 arcsec field at the Galactic Center (1.5 x 1.5 parsec) was mapped at 8.3 microns and 12.41 microns with high spatial resolution and accurate relative astrometry, using the 16 x 16 Si:Bi accumulation mode charge injection device Goddard infrared array camera. The design and performance of the array camera detector electronics system and image data processing techniques are discussed. Color temperature and dust opacity distributions derived from the spatially accurate images indicate that the compact infrared sources and the large scale ridge structure are bounded by warmer, more diffuse material. None of the objects appear to be heated appreciably by internal luminosity sources. These results are consistent with the model proposing that the complex is heated externally by a strong luminosity source at the Galactic Center, which dominates the energetics of the inner few parsecs of the galaxy.

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