A Compact Central Object in the Supernova Remnant Kes 79

(2) Harvard University); F.D. Seward (1); M. Sun (2) ((1) Smithsonian Astrophysical Observatory; P.O. Slane (1); R.K. Smith (1)

arxiv: astro-ph/0210496 · v1 · submitted 2002-10-22 · 🌌 astro-ph

A Compact Central Object in the Supernova Remnant Kes 79

F.D. Seward (1) , P.O. Slane (1) , R.K. Smith (1) , M. Sun (2) ((1) Smithsonian Astrophysical Observatory , (2) Harvard University) This is my paper

classification 🌌 astro-ph

keywords sourceremnantcentralsupernovatherex-rayabsorptionbest

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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 Lx (0.3-8.0 keV) = 7 x 10^{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.

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A Compact Central Object in the Supernova Remnant Kes 79

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