The cecrease of hard X-ray emission of SN 1987A. The 'KWANT' module observations.
Abstract
The HEXE telescope on the Kvant module detected a 6-fold decrease of the hard X-ray flux of SN 1987A in the 15-200 keV energy range during observations from April to December 1988. A slight hardening of the spectrum was also detected. The X-ray light curve can be explained by a model that assumes a homogeneous mixing of radioactive Co-56 over the envelope.
- Publication:
-
Pisma v Astronomicheskii Zhurnal
- Pub Date:
- April 1989
- Bibcode:
- 1989PAZh...15..291S
- Keywords:
-
- Cosmic X Rays;
- Spaceborne Telescopes;
- Supernova 1987a;
- Astronomical Models;
- Black Holes (Astronomy);
- Cobalt Isotopes;
- Flux Density;
- Light Curve;
- Neutron Stars;
- Space Radiation