Evolution of the star that exploded in the LMC on Feb. 23, 1987

Details Evolution of the star that exploded in the LMC on Feb. 23, 1987 Evolution of the star that exploded in the LMC on Feb. 23, 1987

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989azh....66..285s&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 66, Mar.-Apr. 1989, p. 285-293. In Russian.

Astronomy and Astrophysics

Astronomy

2

Binary Stars, Magellanic Clouds, Stellar Evolution, Stellar Mass, Supernova 1987A, Heavy Elements, Stellar Mass Ejection, Stellar Winds, Supernova Remnants

Scientific paper

The possibility that the progenitor of SN 1987A formed from a single or binary star is discussed. It is suggested that, most probably, the progenitor was the more massive component of a binary system whose evolution was accompanied by matter mixing in the semiconvective zone. The reduced heavy-element abundance in the LMC and the efficient matter mixing in the semiconvective zone explain the presence of a thin hydrogen shell in the remnant, the result of case B mass exchange.

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