A compact central object in the supernova remnant Kesteven 79

被引：38
|
作者：
Seward, FD
Slane, PO
Smith, RK
Sun, M
机构：
[1] Smithsonian Astrophys Observ, Cambridge, MA 02138 USA
[2] Harvard Univ, Cambridge, MA 02138 USA
来源：
ASTROPHYSICAL JOURNAL | 2003年 / 584卷 / 01期
关键词：
ISM : individual (Kesteven 79); stars : neutron; supernova remnants; X-rays : stars;
D O I：
10.1086/345600
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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 L-X(0.3-8.0 keV)=7x10(33) 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.
引用
收藏
页码：414 / 417
页数：4
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