Mir-Kvant-HEXE hard X ray light curve of SN 1987A

Details Mir-Kvant-HEXE hard X ray light curve of SN 1987A Mir-Kvant-HEXE hard X ray light curve of SN 1987A

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.296..397e&link_type=abstract

In ESA, The 23rd ESLAB Symposium on Two Topics in X Ray Astronomy. Volume 1: X Ray Binaries p 397-400 (SEE N90-25711 19-89)

Astronomy and Astrophysics

Astronomy

1

Energy Bands, Light Curve, Mir Space Station, Supernova 1987A, X Ray Spectra, Accuracy, Calibrating, Data Acquisition, Data Reduction, Spaceborne Experiments, Spectral Bands, Stellar Spectra

Scientific paper

The observations of the supernova 1987A by the High Energy X-ray Experiment (HEXE) on board the Mir-Kvant module are discussed. A total observation time of 530000s was spent on that target, and data are available from day 144 to 843 after the outburst. Four detectors and an improved background subtraction method were used and a final energy calibration was established. A hard X-ray flux from SN 1987A already on day 144 was discovered. X-ray light curves are presented in three energy bands, extending the time coverage to June 1989. The new results confirm the results published earlier.

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