X-ray images of the supernova 1987A field - Observations by the ART-P telescope of the GRANAT observatory in 1990

Details X-ray images of the supernova 1987A field - Observations by the ART-P telescope of the GRANAT observatory in 1990 X-ray images of the supernova 1987A field - Observations by the ART-P telescope of the GRANAT observatory in 1990

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pazh...17..310g&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 17, April 1991, p. 310-320. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

Supernova Remnants, Supernova 1987A, X Ray Imagery, Astronomical Observatories, Spaceborne Telescopes, Stellar Envelopes, Stellar Radiation

Scientific paper

Results of the SN 1987A field X-ray observations with the ART-P imaging telescope aboard the Granat satellite in 1990 are presented. The upper limit of 0.65 mCrab on the SN 1987A 3-15 keV flux was found. Only two sources, LMC X-1 and PSR 0540-693, were detected in the 3.4 x 3.6-deg instrument field of view. Consideration is given to the nature of the supernova remnant formation. The source of hard X-ray radiation associated with the decay of radioactive Co-56 in the envelope, which was observed from 1987 to 1989 aboard the Kvant module, has in effect gone out. It is shown that over 70 percent of the remnant luminosity is converted in the cloud into thermal submillimeter radiation of the supernova.

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