X-ray and radio prompt emission from a hypernova SN 2002ap
Abstract
Here we report on combined X-ray and radio observations of SN 2002ap with XMM-Newton ToO observation and GMRT observations aided with VLA published results. In deriving the X-ray flux of SN 2002ap we account for the contribution of a nearby source, found to be present in the pre-SN explosion images obtained with Chandra observatory. We also derive upper limits on the mass loss rate from X-ray and radio data. We suggest that the prompt X-ray emission is non-thermal in nature and due to the repeated compton boosting of optical photons. We also compare the SN's early radiospheric properties with two other SNe at the same epoch.
- Publication:
-
Nuclear Physics B Proceedings Supplements
- Pub Date:
- June 2004
- DOI:
- 10.1016/j.nuclphysbps.2004.04.054
- arXiv:
- arXiv:astro-ph/0311425
- Bibcode:
- 2004NuPhS.132..308C
- Keywords:
-
- Astrophysics
- E-Print:
- 4 pages, 5 figures. Uses espcrc2.sty. To appear in proceedings of symposium on X-ray astronomy "The Restless High-Energy Universe", May 2003, Amsterdam, The Netherlands, eds. E.P.J. van den Heuvel, J.J.M. in 't Zand, and R.A.M.J. Wijers