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Title:
Supernova 1987A in the Large Magellanic Cloud - The explosion of an approximately 20 solar mass star which has experienced mass loss?
Authors:
Woosley, S. E.; Pinto, P. A.; Martin, P. G.; Weaver, Thomas A.
Affiliation:
AA(Lick Observatory, Santa Cruz, CA), AB(Lick Observatory, Santa Cruz, CA), AC(Toronto, University, Canada; Lick Observatory, Santa Cruz, CA), AD(California, University, Livermore)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 318, July 15, 1987, p. 664-673. Research supported by the University of California and NSERC. (ApJ Homepage)
Publication Date:
07/1987
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Gravitational Collapse, Magellanic Clouds, Main Sequence Stars, Stellar Mass Ejection, Supernova 1987a, Ubv Spectra, Gamma Ray Spectra, Helium, Light Curve, Stellar Cores, Stellar Spectrophotometry
DOI:
10.1086/165402
Bibliographic Code:
1987ApJ...318..664W

Abstract

The recently discovered Type II supernova in the LMC is interpreted as the explosion of a massive star having a helium core mass about six solar masses. This corresponds to a main-sequence star of approximately 20 solar masses, although mass loss might have significantly reduced this value. Theoretical UBV light curves are presented, and the expected fluxes of gamma-ray lines from Co-56, Co-57, and Ti-44 are estimated. The necessity of a compact progenitor is emphasized.

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