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We investigate effects of aspherical energy deposition in core-collapsesupernovae on the light curve of the supernova shock breakout. We performedtwo-dimensional hydrodynamical calculations of an aspherical supernovaexplosion to obtain the time when a shock wave generated in the stellarinterior reaches the stellar surface in each radial direction. Using results ofthe calculations, light curves during the shock breakout are derived in anapproximate way. We show that the light curve during the shock breakout can bea strong indicator of aspherical properties of core-collapse supernovae.

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