Supernova models with slow energy pumping and galactic supernova remnants

Details Supernova models with slow energy pumping and galactic supernova remnants Supernova models with slow energy pumping and galactic supernova remnants

May 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978ap%26ss..55..441u&link_type=abstract

Astrophysics and Space Science, vol. 55, no. 2, May 1978, p. 441-457.

Astronomy and Astrophysics

Astrophysics

5

Energy Dissipation, Stellar Mass Ejection, Stellar Models, Supernova Remnants, Supernovae, Crab Nebula, Kinetic Energy, Light Curve, Stellar Envelopes, Stellar Magnitude, Stellar Mass

Scientific paper

The basic properties of galactic supernovae (SNs) are examined on the basis of SN models with slow energy pumping. The effect of the initial structure of a model, the envelope mass, and the intensity of energy pumping on the characteristics of a SN explosion is considered, and numerical results are obtained by integration of a set of spherically symmetric hydrodynamic equations with radiative heat conductivity taken into account. Specific results are discussed for the remnants of the galactic type I SNs 1006, 1054, 1572, and 1604. In particular, it is shown that the unique properties of the Crab Nebula and of SN 1054 can easily be explained by a peculiar feature of the SN explosion, viz., a relatively low effective intensity of energy pumping. Envelope masses of 0.3 to 0.7 solar mass are estimated for type I SNs, and the masses of galactic type I SNRs are suggested to be about 0.2 to 0.3 solar mass. It is concluded that SN 1054 had an apparent visual magnitude of approximately -4.0 and an absolute visual magnitude of about -16.5 maximum luminosity.

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