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X-ray investigations of the hot ISMAt energies less than one keV, the intensity of the galactic x-ray background dominates that of the extragalactic background in almost every direction on the sky. Below 1/4 keV, the galactic x-ray background has a galactic stellar component, but the dominant emitter seems to be hot interstellar matter. The origin of the general 3/4 keV x-ray background remains uncertain, but one component must also be the contribution from hot interstellar matter. An overview is given of recent x-ray investigations of the hot interstellar medium using data from the ROSAT X-ray Telescope/Position-Sensitive Proportional Counter (XRT/PSPC) instrument. Several prominent features in the low energy x-ray background that are interpreted as fossil supernova remnants are discussed.
Document ID
19950049921
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Sanders, W. T.
(Univ. of Wisconsin-Madison, Madison, WI US, United States)
Date Acquired
August 16, 2013
Publication Date
December 1, 1993
Publication Information
Publication: Advances in Space Research
Volume: 13
Issue: 12
ISSN: 0273-1177
Subject Category
Astronomy
Accession Number
95A81520
Funding Number(s)
CONTRACT_GRANT: NAG5-1726
CONTRACT_GRANT: NAG5-1894
CONTRACT_GRANT: NAS5-26078
Distribution Limits
Public
Copyright
Other

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