Probing the Explosion Mechanism of Supernovae by Radioactive Decay Gamma- and X-Rays

Details Probing the Explosion Mechanism of Supernovae by Radioactive Decay Gamma- and X-Rays Probing the Explosion Mechanism of Supernovae by Radioactive Decay Gamma- and X-Rays

2007-08-07

arxiv.org/abs/0708.0972v1

Astronomy and Astrophysics

Astrophysics

4 pages, 3 figures, 1 table. Proceedings of "The Extreme Universe in the Suzaku Era". Slightly revised version

Scientific paper

Gamma- and X-rays resulting from radioactive decays provide a potentially powerful tool to investigate the explosion physics of supernovae, since the distribution and the amount of radioactive isotopes are strongly dependent on properties of the explosion. In this paper, expected features of these high energy emissions are presented for bipolar jet-induced explosion models, which are recently favored for very energetic supernovae and even for typical Type Ib/c supernovae. It is shown that combination of various observations, i.e., line-to-continuum ratio, photoelectric absorption cut-off energy, line profiles and luminosities, allows the unique determination of the explosion energy, the amount of radioactive 56Ni, the explosion geometry, and even the viewing orientation.

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