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Title:
A Compact Central Object in the Supernova Remnant Kesteven 79
Authors:
Seward, F. D.; Slane, P. O.; Smith, R. K.; Sun, M.
Affiliation:
AA(Smithsonian Astrophysical Observatory, 60 Garden Street, Cambridge MA 02138), AB(Smithsonian Astrophysical Observatory, 60 Garden Street, Cambridge MA 02138), AC(Smithsonian Astrophysical Observatory, 60 Garden Street, Cambridge MA 02138), AD(Harvard University, 60 Garden Street, Cambridge MA 02138)
Publication:
The Astrophysical Journal, Volume 584, Issue 1, pp. 414-417. (ApJ Homepage)
Publication Date:
02/2003
Origin:
UCP
ApJ Keywords:
ISM: Individual: Name: Kesteven 79, Stars: Neutron, ISM: Supernova Remnants, X-Rays: Stars
DOI:
10.1086/345600
Bibliographic Code:
2003ApJ...584..414S

Abstract

A Chandra X-ray observation has detected an unresolved source at the center of the supernova remnant Kes 79. The best single-model fit to the source spectrum is a blackbody with an X-ray luminosity of LX(0.3-8.0keV)=7×1033 ergs s-1. There is no evidence for a surrounding pulsar wind nebula. There are no cataloged counterparts at other wavelengths, but the absorption is high. The source properties are similar to the central source in Cas A even though the Kes 79 remnant is considerably older.
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