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Far-infrared and submillimeter survey of the galactic center and nearby galactic planeMaps are presented with 12-arcmin resolution of the Galactic Center and adjacent galactic plane, from l(Pc) = 359 deg to l(Pc) = 5 deg. The data were obtained with the Steward Observatory's cryogenically-cooled, balloon-borne telescope. The data are from channels filtered for a bandpass of 70 to 110 microns and for a longpass of wavelength greater than 80 microns. For the typical effective temperature of 25 K of a galactic H II region at this spatial resolution, the effective wavelengths of the channels are 93 microns and 145 microns. Continuous emission is mapped along the galactic plane in both wavelengths. There are two contrasts between the immediate vicinity of SgrA l(Pc) smaller than 1 deg, and the galactic plane in general. Firstly, for l(Pi) greater than 1 deg the galactic plane narrows dramatically at 93 microns, while retaining its width at 145 microns. Secondly, the individual sources at l(Pc) (which are associated with H II regions) have greater peak brightness in the 145-micron channel than the 93-micron channel, while SgrA has approximately equal peak brightness in each. The maps demonstrate the importance of submillimeter wavelengths to galactic surveys.
Document ID
19850057854
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Campbell, M. F.
(Colby College, Waterville, ME; Max-Planck-Institut fuer extraterrestrische Physik Garching, Germany)
Niles, D. W.
(Colby Coll. Waterville, ME, United States)
Kanskar, M.
(Colby College Waterville, ME, United States)
Hoffmann, W. F.
(Steward Observatory Tucson, AZ, United States)
Thronson, H. A.
(Wyoming, University Laramie, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1985
Publication Information
Publication: Advances in Space Research
Volume: 5
Issue: 3 19
ISSN: 0273-1177
Subject Category
Astrophysics
Accession Number
85A40005
Funding Number(s)
CONTRACT_GRANT: NGR-03-002-371
Distribution Limits
Public
Copyright
Other

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