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Title:
IRAS images of the galactic center
Authors:
Gautier, T. N.; Hauser, M. G.; Beichman, C. A.; Low, F. J.; Neugebauer, G.; Rowan-Robinson, M.; Aumann, H. H.; Boggess, N.; Emerson, J. P.; Harris, S.; Houck, J. R.; Jennings, R. E.; Marsden, P. L.
Affiliation:
AA(California Institute of Technology, Jet Propulsion Laboratory, Pasadena, CA), AB(California Institute of Technology, Jet Propulsion Laboratory, Pasadena, CA), AC(California Institute of Technology, Jet Propulsion Laboratory, Pasadena, CA), AD(NASA, Goddard Space Flight Center, Greenbelt, MD), AE(Steward Observatory, Tucson, AZ), AF(California Institute of Technology, Pasadena, CA), AG(Queen Mary College, London, England), AH(Queen Mary College, London, England), AI(Queen Mary College, London, England), AJ(NASA, Washington, DC)
Publication:
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 278, March 1, 1984, p. L57, L58. Research supported by the U.S. National Research Council. (ApJL Homepage)
Publication Date:
03/1984
Category:
Astronomy
Origin:
STI
NASA/STI Keywords:
GALACTIC NUCLEI, INFRARED ASTRONOMY SATELLITE, INFRARED STARS, MILKY WAY GALAXY, ASTRONOMICAL MAPS, INFRARED IMAGERY, MOLECULAR CLOUDS
DOI:
10.1086/184222
Bibliographic Code:
1984ApJ...278L..57G

Abstract

Some preliminary IRAS results in the form of images at 12, 25, 60, and 100 microns of an 8 deg x 15 deg area around the galactic center are presented. These absolute intensity maps have unprecedented sensitivity combined with high angular resolution, wide field coverage, and large wavelength range. They give a broad view of the central galaxy revealing previously unseen details, especially in regions far from the central few arcmin. Well-defined infrared features in the nucleus correspond to the nuclear radio sources Sgr A, B2, C, and D. Extremely faint structures are detected, such as the cold molecular cloud associated with Sgr B2 which has never before been detected at wavelenths shorter than 40 microns.

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