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Calculated Energy Distributions for SN II

Published online by Cambridge University Press:  12 April 2016

P.H. Hauschildt ,
W. Spies ,
R. Wehrse  and
G. Shaviv
P.H. Hauschildt
Affiliation:
Institut für Theoretische Astrophysik, Universität HeidelbergIm Neuenheimer Feld 561, D-6900 Heidelberg
W. Spies
Affiliation:
Institut für Theoretische Astrophysik, Universität HeidelbergIm Neuenheimer Feld 561, D-6900 Heidelberg
R. Wehrse
Affiliation:
Institut für Theoretische Astrophysik, Universität HeidelbergIm Neuenheimer Feld 561, D-6900 Heidelberg
G. Shaviv
Affiliation:
Dept. of Physics, Technion, Israel Institute of TechnologyIL-32000 Haifa

Abstract

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We have calculated a large grid of hydrogen-rich supernova photospheres, in which radii, effective temperatures, density profiles, and expansion velocities have been varied. Spherical geometry, radiative equilibrium and LTE level populations are assumed. In the quasi-exact radiative transfer, the dilution of the radiation field, and scattering as well as absorption (by all relevant continuous processes and up to 150 000 lines in some models) are accurately considered. Good agreement can be obtained with the UV and IR spectra of supernovae 1979C, 1980K, and 1987A as observed during the coasting phase. Potential methods of parameter determinations for SN II are briefly discussed.

Type
Part III. Chemical and Dynamical Structures of Exploding Stars
Information
International Astronomical Union Colloquium , Volume 108: Atmospherics Diagnostics of Stellar Evolution: Chemical Peculiarity, Mass Loss, and Explosion , 1988 , pp. 412 - 414
Copyright
Copyright © Springer-Verlag 1988

References

Hauschildt, P., Spies, W., Wehrse, R., Shaviv, G.: 1987, Proc. ESO Workshop “SN 1987A”, Garching, in pressGoogle Scholar
Höflich, P., Wehrse, R., Shaviv, G.: 1986, Astron. Astrophys. 163, 105 Google Scholar
Spies, W.: 1987, Synthetische Spektren für Supernovae vom Typ II, Diplomarbeit HeidelbergGoogle Scholar
Spies, W., Hauschildt, P., Wehrse, R., Baschek, B., Shaviv, G.: in Nuclear Astrophysics, Lecture Notes in Physics 287, 316, Springer, 1987 Google Scholar
Woosley, S.E., Weaver, T.A.: 1986, Ann. Rev. Astron. Astrophys. 24, 205 Google Scholar