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The X-Ray Spectrum of Supernova SN1993J

Published online by Cambridge University Press:  25 May 2016

Shin'ichiro Uno ,
Kazuhisa Mitsuda ,
Tadayuki Takahashi ,
Hajime Inoue ,
Fumiyoshi Makino ,
Kazuo Makishima ,
Yoshitaka Ishisaki ,
Yoshiki Kohmura ,
Masayuki Itoh  and
Walter H.G. Lewin
Shin'ichiro Uno
Affiliation:
Institute of Space and Astronautical Science 3-1-1 Yoshino-dai Sagamihara-city Kanagawa 229 Japan
Kazuhisa Mitsuda
Affiliation:
Institute of Space and Astronautical Science 3-1-1 Yoshino-dai Sagamihara-city Kanagawa 229 Japan
Tadayuki Takahashi
Affiliation:
Institute of Space and Astronautical Science 3-1-1 Yoshino-dai Sagamihara-city Kanagawa 229 Japan
Hajime Inoue
Affiliation:
Institute of Space and Astronautical Science 3-1-1 Yoshino-dai Sagamihara-city Kanagawa 229 Japan
Fumiyoshi Makino
Affiliation:
Institute of Space and Astronautical Science 3-1-1 Yoshino-dai Sagamihara-city Kanagawa 229 Japan
Kazuo Makishima
Affiliation:
Department of Physics, the University of Tokyo Bunkyo-ku Tokyo 113 Japan
Yoshitaka Ishisaki
Affiliation:
Dept. of Physics, Tokyo Metropolitan University Minami-Osawa 1-1, Hachioji, Tokyo 192-03, Japan
Yoshiki Kohmura
Affiliation:
The Institute of Chemical and Physical Research 3-1, Hirosawa, Wako, Saitama 351-01 Japan
Masayuki Itoh
Affiliation:
Faculty of Human Development, Kobe University 3-11 Tsurukabuto Nada-ku Kobe 657
Walter H.G. Lewin
Affiliation:
Massachusetts Institute of Technology Center for Space Research, Room 37-627, Cambridge, MA 02139

Extract

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SN1993J is very unique object which was discovered in the nearby Sb galaxy M81 (NGC 3031) on March 28. The first detection of the radio emission was at 22.5 GHz by the VLA only 5 days after the optical outburst. Subsequently X-ray emission was detected by ROSAT and ASCA at 6 days and 8 days after the explosion respectively. These emissions are expected when the SN shock front sweeps out the circumstellar matter (CSM). The early detection of radio and X-ray emission implies the existence of high-density CSM in the vicinity of the supernova(e.g.).

Type
Session 1: Plasma and Fresh Nucleosynthesis Phenomena
Information
Symposium - International Astronomical Union , Volume 188: The Hot Universe , 1998 , pp. 245 - 246
Copyright
Copyright © Kluwer 1998 

References

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