Probing Explosion Geometry of Core-collapse Supernovae with Light Curves of the Shock Breakout

Details Probing Explosion Geometry of Core-collapse Supernovae with Light Curves of the Shock Breakout Probing Explosion Geometry of Core-collapse Supernovae with Light Curves of the Shock Breakout

2010-06-09

arxiv.org/abs/1006.1705v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

5 pages, 5 figures, to appear in ApJL

Scientific paper

We investigate effects of aspherical energy deposition in core-collapse supernovae on the light curve of the supernova shock breakout. We performed two-dimensional hydrodynamical calculations of an aspherical supernova explosion to obtain the time when a shock wave generated in the stellar interior reaches the stellar surface in each radial direction. Using results of the calculations, light curves during the shock breakout are derived in an approximate way. We show that the light curve during the shock breakout can be a strong indicator of aspherical properties of core-collapse supernovae.

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