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- The University of TokyoJP53 papers
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29 papers · 1 filter
Broad-Band Spectrum of The Black Hole Candidate IGR J17497-2821 Studied with Suzaku
A. Paizis, K. Ebisawa, H. Takahashi +9
The broad-band 1-300 keV Suzaku spectrum of IGR J17497-2821, the X-ray transient discovered by INTEGRAL in September 2006, is presented. Suzaku observed IGR J17497-2821 on Septembe…
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…
Timing and Spectral Study of AX J1745.6-2901 with Suzaku
Yoshiaki Hyodo, Yoshihiro Ueda, Takayuki Yuasa +3
The eclipsing low-mass X-ray binary AX J1745.6-2901 was observed with Suzaku in its outburst phase. Combining the Chandra observation made 1.5 month earlier than Suzaku, we determi…
Spatial Distribution of the Galactic Center Diffuse X-Rays and the Spectra of the Brightest 6.4keV Clumps
Katsuji Koyama, Yojiro Takikawa, Yoshiaki Hyodo +4
The high energy resolution and low background, particularly in the hard X-ray band, of the X-ray Imaging Spectrometer onboard Suzaku provide excellent spectra of the Galactic cente…
Higher Order Terms of Kerr Parameter for Blandford-Znajek Monopole Solution
Kentarou Tanabe, Shigehiro Nagataki
Blandford-Znajek mechanism, by which the rotational energy of a black hole is extracted through electromagnetic fields, is one of the promising candidates as an essential process o…
Second-order power spectra of CMB anisotropies due to primordial random perturbations in flat cosmological models
Kenji Tomita
Second-order power spectra of Cosmic Microwave Background (CMB) anisotropies due to random primordial perturbations at the matter dominant stage are studied, based on the relativis…