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Issue A&A
Volume 366, Number 1, January IV 2001
Page(s) 174 - 177
Section Formation, structure and evolution of stars
DOI http://dx.doi.org/10.1051/0004-6361:20000223



A&A 366, 174-177 (2001)
DOI: 10.1051/0004-6361:20000223

A similarity model for supernovae light curve calculations

F. J. Mayer1 and J. R. Reitz2

1  Mayer Applied Research, Inc., 1417 Dicken Drive, Ann Arbor, MI 48103, USA
2  2260 Chaucer Ct., Ann Arbor, MI 48103, USA

(Received 25 July 2000 / Accepted 7 November 2000)

Abstract
A simple, similarity model is developed to model the explosive hydrodynamics and radiation of a supernova. The model has two periods of energy release, an earlier one representing the initial nuclear explosion or gravitational collapse, and a later one representing the longer-term radioactive decay energy. Because the model conserves mass, momentum and energy, the overall dynamics and the scaling connections between key variables is expected to be fairly accurate. The model is used to calculate luminosity versus time curves for a number of typical type I supernovae and compared with recent data from the Supernova Cosmology Project.


Key words: hydrodynamics -- methods: analytical -- stars: supernovae: general

Offprint request: F. Mayer




© ESO 2001


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