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32 papers · 1 filter
X-Ray Spectral Variability of the Seyfert Galaxy NGC 4051 Observed with Suzaku
Y. Terashima, L. C. Gallo, H. Inoue +13
We report results from a Suzaku observation of the narrow-line Seyfert 1 NGC 4051. During our observation, large amplitude rapid variability is seen and the averaged 2--10 keV flux…
Suzaku observations of metallicity distribution in the intracluster medium of the NGC 5044 group
Madoka Komiyama, Kosuke Sato, Ryo Nagino +2
The metallicity distribution in the intracluster medium of the NGC 5044 group was studied up to 0.3 r_180 using the XIS instrument on board the Suzaku satellite. Abundances of O, M…
Temperature and Metallicity in the Intra-cluster Medium of ABELL 262 observed with Suzaku
Kosuke Sato, Kyoko Matsushita, Fabio Gastaldello
We studied the temperature and abundance distributions of intra-cluster medium (ICM) in the Abell 262 cluster of galaxies observed with Suzaku. Abell 262 is a bright, nearby poor c…
Cosmological Constraints from calibrated Yonetoku and Amati relation implies Fundamental plane of Gamma-ray bursts
Ryo Tsutsui, Takashi Nakamura, Daisuke Yonetoku +3
We consider two empirical relations using data only from the prompt emission of Gamma-Ray Bursts (GRBs), peak energy () - peak luminosity () relation (so called Yonetoku…
X-ray Halo Around the Spiral Galaxy NGC 4631 Observed with Suzaku
Noriko Y. Yamasaki, Kosuke Sato, Ikuyuki Mitsuishi +1
Suzaku observation of the edge-on spiral galaxy NGC 4631 confirmed its X-ray halo extending out to about 10 kpc from the galactic disk. The XIS spectra yielded the temperature and…
Suzaku Observations of SGR 1900+14 and SGR 1806-20
Yujin E. Nakagawa, Tatehiro Mihara, Atsumasa Yoshida +8
Spectral and timing studies of Suzaku ToO observations of two SGRs, 1900+14 and 1806-20, are presented. The X-ray quiescent emission spectra were well fitted by a two blackbody fun…