Bolometric Light Curves for 33 Type II-Plateau Supernovae

Details Bolometric Light Curves for 33 Type II-Plateau Supernovae Bolometric Light Curves for 33 Type II-Plateau Supernovae

2009-06-10

arxiv.org/abs/0906.1999v1

Astrophys.J.701:200-208,2009

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

Accepted for publication in the Astrophysical Journal

Scientific paper

10.1088/0004-637X/701/1/200

Using data of three well-observed type-II plateau supernovae (SNe II-P), SNe 1987A, 1999em and 2003hn; and two atmosphere models by Eastman et al. (1996) and Dessart & Hillier (2005b) we derive calibrations for bolometric corrections and effective temperature from BVI photometry. The typical scatter of the bolometric correction is 0.11 mag. With these results we obtain bolometric light curves and effective temperature evolution for a sample of 33 SNe II-P. The SN sample shows a range of 1 dex in plateau luminosity and plateau durations from 75 to 120 days. Comparing the shape of the transition between the plateau and the radioactive tail, we find that the size of the drop is in the range of 0.8 to 1.12 dex.

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