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X-ray studies of HESS J1837--069 with Suzaku and ASCA: a VHE gamma-ray source originated from the pulsar wind nebula
Takayasu Anada, Ken Ebisawa, Tadayasu Dotani +1
We present the ASCA and Suzaku studies of the TeV source HESS J1837--069, which has not been identified in other wave-lengths. We confirm the presence of two X-ray sources in the S…
X-Ray Observation of Very High Energy Gamma-Ray Source, HESS J1745-303, with Suzaku
Aya Bamba, Ryo Yamazaki, Kazunori Kohri +4
Suzaku observations of a TeV unidentified (unID) source, HESS J1745-303, are presented. A possible excess of neutral iron line emission is discovered, and is likely associated with…
New CTI Correction Method for the Spaced-Row Charge Injection of the Suzaku X-Ray Imaging Spectrometer
Hideki Uchiyama, Midori Ozawa, Hironori Matsumoto +21
The charge transfer inefficiency (CTI) of the X-ray CCDs on board the Suzaku satellite (X-ray Imaging Spectrometers; XIS) has increased since the launch due to radiation damage, an…
Energy-Scale Calibration of the Suzaku X-Ray Imaging Spectrometer Using the Checker Flag Charge Injection Technique in Orbit
Midori Ozawa, Hideki Uchiyama, Hironori Matsumoto +25
The X-ray Imaging Spectrometer (XIS) on board the Suzaku satellite is an X-ray CCD camera system that has superior performance such as a low background, high quantum efficiency, an…
Suzaku Observation of HESS J1825-137: Discovery of Largely-Extended X-rays near from PSR J1826-1334
H. Uchiyama, H. Matsumoto, T. G. Tsuru +2
We observed the brightest part of HESS J1825-137 with the Suzaku XIS, and found diffuse X-rays extending at least up to 15' (~ 17 pc) from the pulsar PSR J1826-1334. The spectra ha…
Suzaku Observation of 30Dor C: A Supernova Remnant with the Largest Non-Thermal Shell
Hiroya Yamaguchi, Aya Bamba, Katsuji Koyama
This paper reports on the Suzaku results of thermal and non-thermal features of 30 Dor C, a supernova remnant (SNR) in a superbubble of the Large Magellanic Cloud (LMC). The west r…
The Nature of a Cosmic-Ray Accelerator, CTB37 B, Observed with Suzaku and Chandra
Ryoko Nakamura, Aya Bamba, Manabu Ishida +5
We report on Suzaku and Chandra observations of the young supernova remnant CTB37B, from which TeV gamma-rays were detected by the H.E.S.S. Cherenkov telescope. The 80 ks Suzaku ob…
Study of Nonthermal Emission from SNR RX J1713.7-3946 with Suzaku
Takaaki Tanaka, Yasunobu Uchiyama, Felix A. Aharonian +11
We present results obtained from a series of observations of the supernova remnant RX J1713.7-3946 by the Suzaku satellite. The observations cover about two-thirds of the remnant s…
Suzaku Observations of Tycho's Supernova Remnant
T. Tamagawa, A. Hayato, S. Nakamura +19
Tycho's supernova remnant was observed by the XIS and HXD instruments onboard the Suzaku satellite on 2006 June 26-29 for 92 ks. The spectrum up to 30 keV was well fitted with a tw…
X-Ray Emission from Supernova Remnants Observed in the ASCA Galactic Plane Survey
Shigeo Yamauchi, Masaru Ueno, Katsuji Koyama +1
X-ray images and spectra of 5 cataloged supernova remnants (SNRs), G12.0-0.1, G346.6-0.2, G348.5+0.1, G348.7+0.3, and G355.6-0.0, observed in the ASCA galactic plane survey are pre…
Discovery of Extended X-Ray emission from the unidentified TeV source HESS J1614-518 using the Suzaku Satellite
Hironori Matsumoto, Hideki Uchiyama, Makoto Sawada +8
We report the Suzaku results of HESS J1614-518, which is the brightest extended TeV gamma-ray source discovered in the Galactic plane survey conducted using the H.E.S.S. telescope.…
Spectral Study of the Galactic Ridge X-ray Emission with Suzaku
Ken Ebisawa, Shigeo Yamauchi, Yasuo Tanaka +7
We have observed a typical Galactic plane field at (l,b) = (28.46d, -0.20d) with Suzaku for 100 ksec to carry out a precise spectral study of the Galactic Ridge X-ray Emission (GRX…
Suzaku Discovery of Hard X-ray Pulsations from the Rotating Magnetized White Dwarf, AE Aquarii
Yukikatsu Terada, Takayuki Hayashi, Manabu Ishida +7
The fast rotating magnetized white dwarf, AE Aquarii, was observed with Suzaku, in October 2005 and October 2006 with exposures of 53.1 and 42.4 ks, respectively. In addition to cl…
Suzaku Detection of Extended/Diffuse Hard X-Ray Emission from the Galactic Center
Takayuki Yuasa, Ken-ichi Tamura, Kazuhiro Nakazawa +12
Five on-plane regions within +/- 0.8deg of the Galactic center were observed with the Hard X-ray Detector (HXD) and the X-ray Imaging Spectrometer (XIS) onboard Suzaku. From all re…
Suzaku Observation of the RCW86 Northeastern Shell
Hiroya Yamaguchi, Katsuji Koyama, Hiroshi Nakajima +4
This paper reports the Suzaku results on the northeast shell of RCW 86. With the spatial and spectral analysis, we separated the X-rays into three distinct components; low (kT_e~0.…
Measuring the Broad-band X-Ray Spectrum from 400 eV to 40 keV in the Southwest Part of the Supernova Remnant RX J1713.7-3946
Tadayuki Takahashi, Takaaki Tanaka, Yasunobu Uchiyama +13
We report on results from Suzaku broadband X-ray observations of the southwest part of the Galactic supernova remnant (SNR) RX J1713.7-3946 with an energy coverage of 0.4-40 keV. T…
Suzaku wide-band observations of SN 1006
Aya Bamba, Yasushi Fukazawa, Junko S. Hiraga +17
We report on the wide band spectra of SN 1006 as observed by Suzaku. Thermal and nonthermal emission are successfully resolved thanks to the excellent spectral response of Suzaku's…
X-Ray Spectroscopy of SN 1006 with Suzaku
Hiroya Yamaguchi, Katsuji Koyama, Satoru Katsuda +7
We report on observations of SN 1006 with the X-ray Imaging Spectrometers (XIS) on board Suzaku. We firmly detected K-shell emission from Fe, for the first time, and find that the…
The Suzaku Observation of the Nucleus of the Radio-Loud Active Galaxy Centaurus A: Constraints on Abundances of the Accreting Material
A. Markowitz, T. Takahashi, S. Watanabe +16
A Suzaku observation of the nucleus of the radio-loud AGN Centaurus A in 2005 has yielded a broadband spectrum spanning 0.3 to 250 keV. The net exposure times after screening were:…
A Suzaku Observation of the Low-Ionization Fe-Line Emission from RCW 86
Masaru Ueno, Rie Sato, Jun Kataoka +14
The newly operational X-ray satellite Suzaku observed the southwestern quadrant of the supernova remnant (SNR) RCW 86 in February 2006 to study the nature of the 6.4 keV emission l…
Monte-Carlo Simulator and Ancillary Response Generator of Suzaku XRT/XIS System for Spatially Extended Source Analysis
Y. Ishisaki, Y. Maeda, R. Fujimoto +31
We have developed a framework for the Monte-Carlo simulation of the X-Ray Telescopes (XRT) and the X-ray Imaging Spectrometers (XIS) onboard Suzaku, mainly for the scientific analy…
Suzaku Observations of HESS J1616-508: Evidence for a Dark Particle Accelerator
Hironori Matsumoto, Masaru Ueno, Aya Bamba +15
We observed the bright unidentified TeV gamma-ray source HESS J1616-508 with the X-ray Imaging Spectrometers onboard the Suzaku satellite. No X-ray counterpart was found to a limit…
Discovery of a Compact X-ray Source in the LMC Supernova Remnant N23 with Chandra
Asami Hayato, Aya Bamba, Toru Tamagawa +1
An X-ray compact source was discovered with Chandra in a supernova remnant (SNR) N23, located in the Large Magellanic Cloud. The compact source (CXOU J050552.3-680141) is seen in o…
The X-ray synchrotron emission of RCW 86 and the implications for its age
Jacco Vink, Johan Bleeker, Kurt van der Heyden +3
We report here X-ray imaging spectroscopy observations of the northeastern shell of the supernova remnant RCW 86 with Chandra and XMM-Newton. Along this part of the shell the domin…