Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aipc..232..267l&link_type=abstract
Gamma-ray line astrophysics. AIP Conference Proceedings, Volume 232, pp. 267-269 (1991).
Astronomy and Astrophysics
Astrophysics
Supernovae, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages, Luminosities, Magnitudes, Effective Temperatures, Colors, And Spectral Classification, Circumstellar Shells, Clouds, And Expanding Envelopes, Circumstellar Masers
Scientific paper
The down-scattering of gamma photons stores a significant fraction of the total energy in recoil electrons. In this paper we present the bremsstrahlung emission of those recoil electrons in SN1987A. If the bolometric luminosity derives from radioactive decay, the bremsstrahlung emissivity must be present, but has not previously been treated. Initially it was our hope to account for the Ginga 16-28 keV measurements of SN1987A or to find a detectable X-ray luminosity near 1 keV for ROSAT. Although this bremsstrahlung emission fails to explain Ginga fluxes, it dominates the X-ray fluxes below 20 keV and can have detectable consequences for the X-ray lines from circumstellar matter. We show our results for day 175, 500, 1000, and 1500.
Clayton Donald D.
Lih-Sin The
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