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Prog. Theor. Phys. Supplement No.169 (2007) pp. 142-145

Millenium Study of SN 1006 with Suzaku

Aya Bamba,¹ Hiroya Yamaguchi,² Katsuji Koyama,² Junko S. Hiraga,¹ Steve Holt,³ John P. Hughes,⁴ Hideaki Katagiri,⁵ Jun Kataoka,⁶ Shunji Kitamoto,⁷ Motohide Kokubun,⁸ Hironori Matumoto,² Emi Miyata,⁹ Koji Mori,¹⁰ Hiroshi Nakajima,² Masanobu Ozaki,¹¹ Robert Petre,¹² Akiko Sekiguchi,⁷ Tadayuki Takahashi,¹¹ Takaaki Tanaka,¹¹ Yukikatsu Terada,¹ Hiroshi Tomida,¹³ Hiroshi Tsunemi,⁹ Yohko Tsuboi,¹⁴ Masahiro Tsujimoto,⁷ Yasunobu Uchiyama,¹¹ Masaru Ueno⁶ and Shin Watanabe¹¹

¹RIKEN, Cosmic Radiation Group, Wako 351-0198, Japan
²Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
³Franklin W. Olin College of Engineering, 1795 Great Plain Avenue, Needham, MA 02492-1245, USA
⁴Department of Physics and Astronomy, Rutgers University, 136 Frelinghuysen Road, Piscataway, NJ 08854-8019, USA
⁵Department of Physics, Hiroshima University, Higashi-Hiroshima 739-8526, Japan
⁶Department of physics, Faculty of Science, Tokyo Institute of Technology, Tokyo 152-8551, Japan
⁷Department of Physics, Rikkyo University, Tokyo 171-8501, Japan
⁸Department of Physics, Graduate School of Science, The University of Tokyo, Tokyo 113-0033, Japan
⁹Department of Astrophysics, Faculty of Science, Osaka University, Toyonaka 560-0043, Japan
¹⁰Department of Applied Physics, Faculty of Engineering, University of Miyazaki, Miyazaki 889-2192, Japan
¹¹Department of High Energy Astrophysics, Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 229-8510, Japan
¹²NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
¹³Japan Aerospace Agency, Tsukuba Space Center, Tsukuba 305-8505, Japan
¹⁴Department of Physics, Faculty of Science and Engineering, Chuo University, Tokyo 112-8551, Japan

Abstract:

SN 1006 is the milestone of understanding the acceleration mechanism of cosmic rays, and this year is the millennium year for the remnant. We carried out SN 1006 mapping observations with the X-ray Imaging Spectrometers (XIS) onboard Suzaku satellite. Thanks to the excellent spectral response of XIS, K emission lines from highly ionized oxygen were clearly resolved. The intensity maps of these lines have been made additional to the intensity and photon index maps of the nonthermal component. We discovered that regions with strong and hard nonthermal component has weak thermal emission. The north rim of the SNR has the hardest nonthermal component. These facts might have information of efficient cosmic ray acceleration and background plasma.

URL : http://ptp.ipap.jp/link?PTPS/169/142/
DOI : 10.1143/PTPS.169.142

[ Full Text PDF : FREE ACCESS (192K) ] Citation: Plain Text BiBTeX EndNote(RIS) RSS

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