Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Ushio, Masayoshi"'
Autor:
Ushio, Masayoshi, Tanaka, Takaaki, Madejski, Grzegorz, Takahashi, Tadayuki, Hayashida, Masaaki, Kataoka, Jun, Mazin, Daniel, Rügamer, Stefan, Sato, Rie, Teshima, Masahiro, Wagner, Stefan, Yaji, Yuichi
Publikováno v:
Astrophys.J.699:1964-1972,2009
We present the results of X-ray observations of the well-studied TeV blazar Mrk 421 with the Suzaku satellite in 2006 April 28. During the observation, Mrk 421 was undergoing a large flare and the X-ray flux was variable, decreasing by ~ 50 %, from 7
Externí odkaz:
http://arxiv.org/abs/0905.0698
Autor:
Fukazawa, Yasushi, Mizuno, Tsunefumi, Watanabe, Shin, Kokubun, Motohide, Takahashi, Hiromitsu, Kawano, Naomi, Nishino, Sho, Sasada, Mahito, Shirai, Hirohisa, Takahashi, Takuya, Yamasaki, Tomonori, Yasuda, Tomonori, Bamba, Aya, Ohno, Masanori, Takahashi, Tadayuki, Ushio, Masayoshi, Enoto, Teruaki, Kitaguchi, Takao, Makishima, Kazuo, Nakazawa, Kazuhiro, Uehara, Yuichi, Yamada, Shin'ya, Yuasa, Takayuki, Isobe, Naoki, Kawaharada, Madoka, Tanaka, Takaaki, Tashiro, Makoto, Terada, Yukikatsu, Yamaoka, Kazutaka
Suzaku Hard X-ray Detector (HXD) achieved the lowest background level than any other previously or currently operational missions sensitive in the energy range of 10--600 keV, by utilizing PIN photodiodes and GSO scintillators mounted in the BGO acti
Externí odkaz:
http://arxiv.org/abs/0901.0419
Autor:
Uchiyama, Yasunobu, Maeda, Yoshitomo, Ebara, Masatoshi, Fujimoto, Ryuichi, Ishisaki, Yoshitaka, Ishida, Manabu, Iizuka, Ryo, Ushio, Masayoshi, Inoue, Hirohiko, Okada, Shunsaku, Mori, Hideyuki, Ozaki, Masanobu
Publikováno v:
Publ.Astron.Soc.Jap.60:S35-S41,2008
We present an empirical correction of sky coordinates of X-ray photons obtained with the XIS aboard the Suzaku satellite to improve the source position accuracy and restore the point-spread function (PSF). The XIS images are known to have an uncertai
Externí odkaz:
http://arxiv.org/abs/0803.3418
Autor:
Kataoka, Jun, Reeves, James N., Iwasawa, Kazushi, Markowitz, Alex G., Mushotzky, Richard F., Arimoto, Makoto, Takahashi, Tadayuki, Tsubuku, Yoshihiro, Ushio, Masayoshi, Watanabe, Shin, Gallo, Luigi C., Madejski, Greg M., Terashima, Yuichi, Isobe, Naoki, Tashiro, Makoto S., Kohmura, Takayoshi
Broad line radio galaxies (BLRGs) are a rare type of radio-loud AGN, in which the broad optical permitted emission lines have been detected in addition to the extended jet emission. Here we report on deep (40ksec x4) observations of the bright BLRG 3
Externí odkaz:
http://arxiv.org/abs/astro-ph/0612754
Autor:
Reeves, James N., Awaki, Hisamitsu, Dewangan, Gulab C., Fabian, Andy C., Fukazawa, Yasushi, Gallo, Luigi, Griffiths, Richard, Inoue, Hajime, Kunieda, Hideyo, Markowitz, Alex, MiniuttI, Giovanni, Mizuno, Tsunefumi, Mushotzky, Richard, Okajima, Takashi, Ptak, Andy, Takahashi, Tadayuki, Terashima, Yuichi, Ushio, Masayoshi, Watanabe, Shin, Yamasaki, Tomonori, Yamauchi, Makoto, Yaqoob, Tahir
We report on a 100 ks Suzaku observation of the bright, nearby (z=0.008486) Seyfert 1.9 galaxy MCG -5-23-16. The broad-band (0.4-100 keV) X-ray spectrum allows us to determine the nature of the high energy emission with little ambiguity. The X-ray co
Externí odkaz:
http://arxiv.org/abs/astro-ph/0610434
Autor:
Miniutti, Giovanni, Fabian, Andrew C., Anabuki, Naohisa, Crummy, Jamie, Fukazawa, Yasushi, Gallo, Luigi, Haba, Yoshito, Hayashida, Kiyoshi, Holt, Steve, Kunieda, Hideyo, Larsson, Josefin, Markowitz, Alex, Matsumoto, Chiho, Ohno, Masanori, Reeves, James N., Takahashi, Tadayuki, Tanaka, Yasuo, Terashima, Yuichi, Torii, Ken'ichi, Ueda, Yoshihiro, Ushio, Masayoshi, Watanabe, Shin, Yamauchi, Makoto, Yaqoob, Tahir
Suzaku has, for the first time, enabled the hard X-ray variability of the Seyfert 1 galaxy MCG-6-30-15 to be measured. The variability in the 14-45 keV band, which is dominated by a strong reflection hump, is quenched relative to that at a few keV. T
Externí odkaz:
http://arxiv.org/abs/astro-ph/0609521
Autor:
Odaka, Hirokazu, Takeda, Shin’ichiro, Watanabe, Shin, Ishikawa, Shin-nosuke, Ushio, Masayoshi, Tanaka, Takaaki, Nakazawa, Kazuhiro, Takahashi, Tadayuki, Tajima, Hiroyasu, Fukazawa, Yasushi
Publikováno v:
In Nuclear Inst. and Methods in Physics Research, A 2007 579(2):878-885
Autor:
Watanabe, Shin, Takeda, Shin’ichiro, Ishikawa, Shin-nosuke, Odaka, Hirokazu, Ushio, Masayoshi, Tanaka, Takaaki, Nakazawa, Kazuhiro, Takahashi, Tadayuki, Tajima, Hiroyasu, Fukazawa, Yasushi, Kuroda, Yoshikatsu, Onishi, Mitsunobu
Publikováno v:
In Nuclear Inst. and Methods in Physics Research, A 2007 579(2):871-877
Autor:
Oonuki, Kousuke, Tanaka, Takaaki, Watanabe, Shin, Takeda, Shin’ichiro, Nakazawa, Kazuhiro, Ushio, Masayoshi, Mitani, Takefumi, Takahashi, Tadayuki, Tajima, Hiroyasu
Publikováno v:
In Nuclear Inst. and Methods in Physics Research, A 2007 573(1):57-60
Autor:
Stawarz, Lukasz, Paneque, David, Madejski, Grzegorz, Ostrowski, Michat, Ushio, Masayoshi, Takahashi, Tadayuki, Hayashida, Masaaki, Kataoka, Jun, Tanaka, Yasuyuki T., Tanaka, Takaaki
Publikováno v:
The Astrophysical Journal. 724(2):1509-1516
We report results from the observations of the well studied TeV blazar Mrk 421 with the Swift and the Suzaku satellites in December 2008. During the observation, Mrk 421 was found in a relatively low activity state, with the corresponding 2-10 keV fl