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Title:
Suzaku Wide-Band Observations of SN1006
Authors:
Bamba, Aya; Fukazawa, Yasushi; Hiraga, Junko S.; Hughes, John P.; Katagiri, Hideaki; Kokubun, Motohide; Koyama, Katsuji; Miyata, Emi; Mizuno, Tsunefumi; Mori, Koji; Nakajima, Hiroshi; Ozaki, Masanobu; Petre, Rob; Takahashi, Hiromitsu; Takahashi, Tadayuki; Tanaka, Takaaki; Terada, Yukikatsu; Uchiyama, Yasunobu; Watanabe, Shin; Yamaguchi, Hiroya
Affiliation:
AA(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; ) AB(Department of Physics, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526) AC(RIKEN, Cosmic Radiation Group, 2-1 Hirosawa, Wako-shi, Saitama 351-0198) AD(Department of Physics and Astronomy, Rutgers University, 136 Frelinghuysen Road, Piscataway, NJ 08854-8019, USA) AE(Department of Physics, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526) AF(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) AG(Department of Physics, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502) AH(Department of Astrophysics, Faculty of Science, Osaka University, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043) AI(Department of Physics, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526) AJ(Department of Applied Physics, Faculty of Engineering University of Miyazaki, 1-1 Gakuen Kibanadai-Nishi, Miyazaki, Miyazaki 889-2192) AK(Department of Astrophysics, Faculty of Science, Osaka University, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043) AL(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) AM(NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA) AN(Department of Physics, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526) AO(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) AP(Stanford Linear Accelerator Center, 2575 Sand Hill Road, M/S 29, Menlo Park, CA 94025, USA) AQ(Department of Physics, School of Science, Saitama University, 255 Shimo-Ohkubo, Sakura, Saitama 338-8570) AR(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) 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) AT(Department of Physics, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502)
Publication:
Publications of the Astronomical Society of Japan, Vol.60, No.SP1, pp.S153--S162 (PASJ Homepage)
Publication Date:
01/2008
Origin:
PASJ
Keywords:
acceleration of particles --- ISM: individual (SN1006) --- X-rays: ISM
Bibliographic Code:
2008PASJ...60S.153B

Abstract

We report on the wide-band spectra of SN1006, as observed by Suzaku. Thermal and nonthermal emissions were successfully resolved thanks to the excellent spectral response of Suzaku's X-ray CCD XIS. The nonthermal emission could not be reproduced by a simple power-law model, but needed a roll-off at 5.7 × 1016Hz = 0.23keV. The roll-off frequency is significantly higher in the northeastern rim than in the southwestern rim. We also placed the most stringent upper limit of the flux above 10keV using the Hard X-ray Detector.
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