Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...317l..73m&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 317, June 15, 1987, p. L73-L77.
Astronomy and Astrophysics
Astronomy
74
Infrared Astronomy, Supernova 1987A, Ultraviolet Astronomy, X Ray Sources, Emission Spectra, Energy Transfer, Gamma Ray Astronomy, Line Spectra, Stellar Models
Scientific paper
The future evolution of the electromagnetic spectrum of the supernova 1987A is considered. It is shown that conventional models for supernova explosions predict that within several months a spectacular display of X-rays and UV emission lines will be seen from SN 1987A as the envelope expands to reveal the inner debris of the explosion. Two likely scenarios are considered: first, that the debris produces strong gamma rays from radioactive Co-56, and second, that an X-ray-emitting pulsar exists at the center. It is also predicted that a bright infrared echo will soon appear as a result of reprocessing of the optical/ultraviolet light by circumstellar grains; the luminosity of this echo can provide a sensitive test of the mass-loss history of the supernova progenitor.
McCray Richard
Shull Michael J.
Sutherland Peter
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