X-ray emission from SN 1986J in NGC 891

Details X-ray emission from SN 1986J in NGC 891 X-ray emission from SN 1986J in NGC 891

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...398l.107b&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 398, no. 2, p. L107-L110.

Astronomy and Astrophysics

Astronomy

61

Rosat Mission, Supernova Remnants, Supernovae, X Ray Astronomy, Giant Stars, Stellar Luminosity, Stellar Models

Scientific paper

Using the Position Sensitive Proportional Counter on ROSAT, we detected soft X-ray emission from SN 1986J in NGC 891 approximately nine years after the supernova event. The X-ray emission is characterized by L(x) (0.1-2.5 keV) = 1.6-7 x 10 exp 40 ergs/s, T(x) = 1.0-3.9 keV, and an absorbing column of 5-14 x 10 exp 21/sq cm. The X-ray luminosity, temperature, and absorption column are reproduced surprisingly well in a model where a reverse shock propagates into the outer layers of the exploded star. The large absorbing column is probably intrinsic to the supernova and represents the cooled gas created by a radiative reverse shock.

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