Type IA supernovae - Theoretical light curves with a slow pre-maximum rise

Details Type IA supernovae - Theoretical light curves with a slow pre-maximum rise Type IA supernovae - Theoretical light curves with a slow pre-maximum rise

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...253l...9k&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 253, no. 1, Jan. 1992, p. L9-L12.

Physics

19

Gravitational Collapse, Light Curve, Stellar Physics, Supernova Remnants, Supernovae, Bolometers, Detonation, Stellar Oscillations, Ubv Spectra, White Dwarf Stars

Scientific paper

The present theoretical lightcurve calculations, which encompass Thompson and light scattering, are shown to reproduce Type Ia supernovae with a slow premaximum rise. These calculations are based on delayed detonation models in which a transition from a deflagration to a detonation occurs as a result of the pulsation of an exploding white dwarf. The interaction with an extended low density envelope generated during the pulsation redistributed the kinetic energy within the ejecta. These effects are illustrated for the case of the explosion of a 1.2 solar-mass CO white dwarf.

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