Discovery of a Hard Point Source Associated with 3C 397

Details Discovery of a Hard Point Source Associated with 3C 397 Discovery of a Hard Point Source Associated with 3C 397

May 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003head....7.1025k&link_type=abstract

American Astronomical Society, HEAD meeting #7, #10.25; Bulletin of the American Astronomical Society, Vol. 35, p.864

Astronomy and Astrophysics

Astronomy

Scientific paper

We present archival Chandra data of the Supernova Remnant (SNR) 3C 397. The most striking feature in the image is a hard, point source just outside the southeastern shell (J2000 19 07 41.308, +07 06 50.68), and we find no evidence for a pulsar wind nebula inside the SNR proper. The spectrum of the hard source is well-fit with a black body continuum (kT = 3 keV) and an iron K line (equivalent width = 0.5 keV), which is absorbed by a similar column density as the SNR (NH = 4 x 1022 cm-2). This spectrum suggests that the compact object may contain an accretion disk. In addition to the compact object, the SNR morphology contains interesting structures which may suggest a bipolar expolosion.

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