Light Curve Models for SN 2009dc
Abstract
Simplified explosion models of super-Chandrasekhar-mass C-O white dwarfs (WDs) are constructed with parameters such as WD mass and 56Ni mass. Their light curves are obtained by solving one-dimensional equations of radiation hydrodynamics, and compared with the observations of SN 2009dc, one of the overluminous Type Ia supernovae, to estimate its properties. As a result, the progenitor of SN 2009dc is suggested to be a 2.2-2.4-M ⊙ C-O WD with 1.2-1.4 M ⊙ of 56Ni, if the extinction by its host galaxy is negligible.
- Publication:
-
Binary Paths to Type Ia Supernovae Explosions
- Pub Date:
- January 2013
- DOI:
- arXiv:
- arXiv:1302.3375
- Bibcode:
- 2013IAUS..281..314K
- Keywords:
-
- supernovae: individual (SN 2009dc);
- radiative transfer;
- white dwarfs;
- Astrophysics - High Energy Astrophysical Phenomena;
- Astrophysics - Solar and Stellar Astrophysics
- E-Print:
- 2 pages, 1 figure, published in the Proceedings of the IAU Symposium No. 281 "Binary Paths to Type Ia Supernova Explosions" held in Padova (July 4-8, 2011)