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Instabilities and Mixing in Type II-P and II-b Supernovae

Published online by Cambridge University Press:  12 April 2016

T. Shigeyama ,
K. Iwamoto ,
I. Hachisu ,
K. Nomoto  and
H. Saio
T. Shigeyama
Affiliation:
university of Tokyo, Bunkyo-ku, Tokyo 113, Japan
K. Iwamoto
Affiliation:
university of Tokyo, Bunkyo-ku, Tokyo 113, Japan
I. Hachisu
Affiliation:
university of Tokyo, Bunkyo-ku, Tokyo 113, Japan
K. Nomoto
Affiliation:
university of Tokyo, Bunkyo-ku, Tokyo 113, Japan
H. Saio
Affiliation:
Tohoku University, Sendai 980, Japan

Abstract

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We calculate a nonlinear growth of the Rayleigh-Taylor instability in the exploding red supergiant stars with a two-dimensional hydrodynamical code, and examine how the extent of mixing depends on the progenitor's core mass and the envelope mass. The results are compared with the observations of type II-P supernovae and the recent type Il-b supernova 1993J.

Type
Type lb and Type II Supernovae
Information
International Astronomical Union Colloquium , Volume 145: Supernovae and Supernova Remnants , 1996 , pp. 129 - 135
Copyright
Copyright © Cambridge University Press 1996

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