Asymmetric envelope expansion of supernova 1987A

Details Asymmetric envelope expansion of supernova 1987A Asymmetric envelope expansion of supernova 1987A

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...341..867c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 341, June 15, 1989, p. 867-882.

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86

Stellar Envelopes, Stellar Models, Supernova Remnants, Supernova 1987A, Computational Astrophysics, Density Distribution, Stellar Evolution, Supergiant Stars

Scientific paper

Analytic models for the spherically symmetric expansion of SN 1987 A are discussed. The SN model includes a bend in the expanded density profiles at a velocity of about 4000 km/s and employs an asymmetric initial density distribution or energy deposition on the assumption of radial flow. The calculations show that there is a tendency for the flow to become more spherical during the expansion phase, and that the sense of density asymmetry changes across the bend in the density profile.

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