A common envelope model for SN 1987A

Details A common envelope model for SN 1987A A common envelope model for SN 1987A

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...219l...3h&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 219, no. 1-2, July 1989, p. L3-L6.

Astronomy and Astrophysics

Astrophysics

24

Stellar Envelopes, Stellar Evolution, Supernova 1987A, Binary Stars, Neutrinos, Stellar Magnetic Fields, Supernova Remnants

Scientific paper

A model is presented which can explain the optical pulsations observed recently in SN 1987A, and in particular the sinusoidal modulation of the frequency, by means of the common envelope evolution of a massive supergiant and a low mass main sequence star. It is shown that such an evolution may lead to a binary system containing a rapidly spinning neutron star and a very low mass Jupiter-like companion. Moreover, the model can explain the transition from the red to the blue of the supernova progenitor some 7000 years ago in a natural way. Finally, implications for low mass X-ray binaries and millisecond pulsars are discussed.

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