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Title:
Oxygen line mapping of SN 1006 with Suzaku
Authors:
Bamba, Aya; Yamaguchi, Hiroya; Koyama, Katsuji; Hiraga, Junko S.; Holt, Steve; Hughes, John P.; Katagiri, Hideaki; Kataoka, Jun; Katsuda, Satoru; Kitamoto, Shunji; Kokubun, Motohide; Matsumoto, Hironori; Miyata, Emi; Mori, Koji; Nakajima, Hiroshi; Ozaki, Masanobu; Petre, Rob; Sekiguchi, Akiko; Takahashi, Tadayuki; Tanaka, Takaaki; Terada, Yukikatsu; Tomida, Hiroshi; Tsuboi, Yohko; Tsujimoto, Masahiro; Tsunemi, Hiroshi; Uchiyama, Yasunobu; Ueno, Masaru; Watanabe, Shin
Affiliation:
AA(RIKEN, Cosmic Radiation Group, 2-1, Hirosawa, Wako-shi, Saitama 351-0198, Japan), AB(Department of Physics, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan), AC(Department of Physics, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan), AD(RIKEN, Cosmic Radiation Group, 2-1, Hirosawa, Wako-shi, Saitama 351-0198, Japan), AE(Franklin W. Olin College of Engineering, 1795 Great Plain Avenue Needham, MA 02492-1245, USA), AF(Department of Physics and Astronomy, Rutgers University, 136 Frelinghuysen Road, Piscataway, NJ 08854-8019, USA), AG(Department of Physics, Hiroshima University, Higashi-Hiroshima 739-8526, Japan), AH(Department of physics, Faculty of Science, Tokyo Institute of Technology, 2-12-1, Oo-okayama, Meguro-ku, Tokyo 152-8551, Japan), AI(Department of Astrophysics, Faculty of Science, Osaka University, Toyonaka 560-0043, Japan), AJ(Department of Physics, Rikkyo University, 3-34-1, Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan), AK(Department of Physics, Graduate School of Science, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan), AL(Department of Physics, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan), AM(Department of Astrophysics, Faculty of Science, Osaka University, Toyonaka 560-0043, Japan), AN(Department of Applied Physics, Faculty of Engineering, University of Miyazaki, 1-1 Gakuen Kibana-dai Nishi, Miyazaki 889-2192, Japan), AO(Department of Physics, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan), AP(Department of High Energy Astrophysics, Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229-8510, Japan), AQ(NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA), AR(Department of Physics, Rikkyo University, 3-34-1, Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan), AS(Department of High Energy Astrophysics, Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229-8510, Japan), AT(Department of High Energy Astrophysics, Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229-8510, Japan), AU(RIKEN, Cosmic Radiation Group, 2-1, Hirosawa, Wako-shi, Saitama 351-0198, Japan), AV(Japan Aerospace Agency, Tsukuba Space Center, 2-1-1, Sengen, Tsukuba, Ibaraki 305-8505, Japan), AW(Department of Physics, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan), AX(Department of Physics, Rikkyo University, 3-34-1, Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan), AY(Department of Astrophysics, Faculty of Science, Osaka University, Toyonaka 560-0043, Japan), AZ(Department of High Energy Astrophysics, Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229-8510, Japan), BA(Department of physics, Faculty of Science, Tokyo Institute of Technology, 2-12-1, Oo-okayama, Meguro-ku, Tokyo 152-8551, Japan), BB(Department of High Energy Astrophysics, Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229-8510, Japan)
Publication:
Advances in Space Research, Volume 41, Issue 3, p. 411-415. (AdSpR Homepage)
Publication Date:
00/2008
Origin:
ELSEVIER
DOI:
10.1016/j.asr.2007.03.055
Bibliographic Code:
2008AdSpR..41..411B

Abstract

SN 1006 is one of the supernova remnants (SNRs) with relatively low-temperature electrons, considering the young age of just 1000 years. We carried out SN 1006 mapping observations with the X-ray Imaging Spectrometers (XIS) and the Hard X-ray Detector (HXD) onboard Suzaku, the fifth Japanese X-ray satellite. Thanks to the excellent spectral resolution of XIS in the soft X-ray band, H-like and He-like oxygen emission lines were clearly detected, and we could make a map of the line intensity, and as well as a flux and the photon index of nonthermal component. We found that these parameters have spatial dependences from region to region in the SNR; the north region is bright in nonthermal, while dim in thermal; the east region is bright in both nonthermal and thermal; the inner region shows dim nonthermal and bright thermal emission. The photon index is the smallest in the north region.
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