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G29.7-0.3: another supernova remnant with an identity crisisNew radio and X-ray observations of the galactic supernova remnant G29.7-0.3 show that it is composed of two spectrally distinct components: a steep-spectrum, incomplete shell 3 arcmin in extent enclosing a flat-spectrum, X-ray emitting region 30 arcsec across. Thus, G29.7-0.3 joins the ranks of supernova remnants which exhibit a combination of Crab-like and shell remnant attributes. The Crab-like core has the highest ratio of X-ray radio luminosity of all the Crab-like remnants observed to date, suggesting that it is an extremely young object.
Document ID
19830052906
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Becker, R. H.
(Virginia Polytechnic and State University Blacksburg, VA, United States)
Helfand, D. J.
(Columbia University New York, NY, United States)
Szymkowiak, A. E.
(NASA Goddard Space Flight Center Greenbelt; Maryland, University, College Park, MD, United States)
Date Acquired
August 11, 2013
Publication Date
May 15, 1983
Publication Information
Publication: Astrophysical Journal, Part 2 - Letters to the Editor
Volume: 268
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
83A34124
Funding Number(s)
CONTRACT_GRANT: AF-AFOSR-82-0014
CONTRACT_GRANT: NAG8-432
CONTRACT_GRANT: NAS8-30753
Distribution Limits
Public
Copyright
Other

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