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Title:
Non-thermal emission from supernova shock breakout and the origin of the X-ray transient associated with SN2008D
Authors:
Wang, Xiang-Yu; Li, Zhuo; Waxman, Eli; Mészáros, P.
Affiliation:
AA(Department of Astronomy, Nanjing University, Nanjing 210093, China), AB(Department of Astronomy, Peking University, Beijing 100871, China), AC(Physics Faculty, Weizmann Institute of Science, Rehovot 76100, Israel), AD(Department of Astronomy and Astrophysics, Penn. State University, University Park, PA 16802, USA)
Publication:
2008 NANJING GAMMA-RAY BURST CONFERENCE. AIP Conference Proceedings, Volume 1065, pp. 279-284 (2008). (AIPC Homepage)
Publication Date:
10/2008
Origin:
AIP
PACS Keywords:
gamma-ray sources; gamma-ray bursts, Macrosonic propagation, finite amplitude sound; shock waves, Supernova remnants, X-ray binaries
DOI:
10.1063/1.3027929
Bibliographic Code:
2008AIPC.1065..279W

Abstract

We suggest that non-thermal emission can be produced by multiple scatterings of the photons between the supernova ejecta and pre-shock material in supernova shock breakout. Such bulk-Comptonization process may significantly change the original thermal photon spectrum, forming a power-law non-thermal component at higher energies. We then show that the luminous X-ray outburst XRO081009 associated with SN2008D is likely to be such shock breakout emission from an ordinary type Ib/c supernova.
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