The MAXI Mission on the ISS: Science and Instruments for Monitoring All Sky X-Ray Images (2009)
Matsuoka, Masaru, Kawasaki, Kazuyoshi, Ueno, Shiro, Tomida, Hiroshi, Kohama, Mitsuhiro, Suzuki, Motoko, ...
The MAXI (Monitor of All-sky X-ray Image) mission is the first astronomical payload to be installed on the Japanese Experiment Module-Exposed Facility (JEM-EF) on the ISS. It is scheduled for launch...
Suzaku Wide Band Analysis of the X-ray Variability of TeV Blazar Mrk 421 in 2006 (2009)
Ushio, Masayoshi, Tanaka, Takaaki, Madejski, Grzegorz, Takahashi, Tadayuki, Hayashida, Masaaki, Kataoka, Jun, ...
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...
Suzaku Observations of Extreme MeV Blazar SWIFT J0746.3+2548 (2008)
Watanabe, Shin, Sato, Rie, Takahashi, Tadayuki, Kataoka, Jun, Madejski, Greg, Sikora, Marek, ...
We report the Suzaku observations of the high luminosity blazar SWIFT J0746.3+2548 (J0746) conducted in November 2005. This object, with z = 2.979, is the highest redshift source observed in the...
MAXI and GLAST Studies of Jets in Active Galaxies (2008)
Madejski, Greg, Kataoka, Jun, Sikora, Marek
The recent launch of Fermi / GLAST - coinciding with the MAXI workshop - opens a new era for studies of jet-dominated active galaxies, known as blazars. While the emission processes operating in...
High Energy Observations of AGN Jets and their Future Prospects (2008)
In next five years, dramatic progress is anticipated for the AGN studies, as we have two important missions to observe celestial sources in the high energy regime: GLAST and Suzaku. In this talk, I...
Characterizing X-ray Variability of TeV Blazars (2008)
In this review, I will discuss how to characterize synchrotron X-ray variability of TeV blazars by using the observed/simulated light curves. Apparently, temporal studies provide independent and...
Study of Nonthermal Emission from SNR RX J1713.7-3946 with Suzaku (2008)
Tanaka, Takaaki, Uchiyama, Yasunobu, Aharonian, Felix A., Takahashi, Tadayuki, Bamba, Aya, Hiraga, Junko S., ...
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 surface. We...
PoGOLite - A High Sensitivity Balloon-Borne Soft Gamma-ray Polarimeter (2007)
Kamae, Tuneyoshi, Andersson, Viktor, Arimoto, Makoto, Axelsson, Magnus, Bettolo, Cecilia Marini, Björnsson, Claes-Ingvar, ...
We describe a new balloon-borne instrument (PoGOLite) capable of detecting 10% polarisation from 200mCrab point-like sources between 25 and 80keV in one 6 hour flight. Polarisation measurements in...
Takahashi, Tadayuki, Tanaka, Takaaki, Uchiyama, Yasunobu, Hiraga, Junko S., Nakazawa, Kazuhiro, Watanabe, Shin, ...
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. The X-ray spectrum,...
The X-ray observatory Suzaku (2007)
Mitsuda, Kazuhisa, Bautz, Mark, Inoue, Hajime, Kelley, Richard L., Koyama, Katsuji, Kunieda, Hideyo, ...
Probing the disk-jet connection of the radio galaxy 3C 120 observed with Suzaku (2007)
Kataoka, Jun, Reeves, James N., Iwasawa, Kazushi, Markowitz, Alex G., Mushotzky, Richard F., Arimoto, Makoto, ...
Probing the Disk-jet Connection of the Radio Galaxy 3C120 Observed with Suzaku (2006)
Kataoka, Jun, Reeves, James N., Iwasawa, Kazushi, Markowitz, Alex G., Mushotzky, Richard F., Arimoto, Makoto, ...
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...
A Suzaku Observation of the Low-Ionization Fe-Line Emission from RCW 86 (2006)
Ueno, Masaru, Sato, Rie, Kataoka, Jun, Bamba, Aya, Harrus, Ilana, Hiraga, Junko, ...
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 line first detected...
Iron and Nickel Line Diagnostics for the Galactic Center Diffuse Emission (2006)
Koyama, Katsuji, Hyodo, Yoshiaki, Inui, Tatsuya, Nakajima, Hiroshi, Matsumoto, Hironori, Tsuru, Takeshi Go, ...
We have observed the diffuse X-ray emission from the Galactic center (GC) using the X-ray Imaging Spectrometer (XIS) on Suzaku. The high-energy resolution and the low-background orbit provide...
Suzaku Observations of HESS J1616-508: Evidence for a Dark Particle Accelerator (2006)
Matsumoto, Hironori, Ueno, Masaru, Bamba, Aya, Hyodo, Yoshiaki, Mori, Hideyuki, Uchiyama, Hideki, ...
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 limiting flux of 3.1e-13...
The X-Ray Jet in Centaurus A: Clues to the Jet Structure and Particle Acceleration (2006)
Kataoka, Jun, Stawarz, Lucasz, Aharonian, Felix, Takahara, Fumio, Ostrowski, Michal, Edwards, Philip G.
We report detailed studies of the X-ray emission from the kiloparsec-scale jet in the nearest active galaxy, Centaurus A. By analyzing the highest quality X-ray data obtained with the Chandra ACIS-S,...
The parsec-scale jet of PKS 0637-752 (2006)
Edwards, Philip G., Piner, B. Glenn, Tingay, Steven J., Lovell, James E. J., Kataoka, Jun, Ojha, Roopesh, ...
Chandra observations of the quasar PKS 0637-752 during its checkout phase resulted in the unexpected detection of a luminous kiloparsec-scale X-ray jet. The apparent superluminal speed of this jet on...
The parsec-scale jet of PKS 0637-752 (2006)
Edwards, Philip G., Piner, B. Glenn, Tingay, Steven J., Lovell, James E. J., Kataoka, Jun, Ojha, Roopesh, ...
Chandra observations of the quasar PKS 0637-752 during its checkout phase resulted in the unexpected detection of a luminous kiloparsec-scale X-ray jet. The apparent superluminal speed of this jet on...
The parsec-scale jet of PKS 0637-752 (2006)
Edwards, Philip G., Piner, B. Glenn, Tingay, Steven J., Lovell, James E. J., Kataoka, Jun, Ojha, Roopesh, ...
Chandra observations of the quasar PKS 0637-752 during its checkout phase resulted in the unexpected detection of a luminous kiloparsec-scale X-ray jet. The apparent superluminal speed of this jet on...
The parsec-scale jet of PKS 0637-752 (2006)
Edwards, Philip G., Piner, B. Glenn, Tingay, Steven J., Lovell, James E. J., Kataoka, Jun, Ojha, Roopesh, ...
Chandra observations of the quasar PKS 0637-752 during its checkout phase resulted in the unexpected detection of a luminous kiloparsec-scale X-ray jet. The apparent superluminal speed of this jet on...
The parsec-scale jet of PKS 0637-752 (2006)
Edwards, Philip G., Piner, B. Glenn, Tingay, Steven J., Lovell, James E. J., Kataoka, Jun, Ojha, Roopesh, ...
Chandra observations of the quasar PKS 0637-752 during its checkout phase resulted in the unexpected detection of a luminous kiloparsec-scale X-ray jet. The apparent superluminal speed of this jet on...
The X-ray Jet in Centaurus A: Clues on the Jet Structure and Particle Acceleration (2005)
Kataoka, Jun, Stawarz, Lukasz, Aharonian, Felix, Takahara, Fumio, Ostrowski, Michal, Edwards, Philip G.
We report detailed studies of the X-ray emission from the kpc scale jet in the nearest active galaxy, Cen A. 41 compact sources were found within the jet, 13 of which were newly identified. We...
X-Ray Emission Properties of Large-Scale Jets, Hot Spots, and Lobes in Active Galactic Nuclei (2005)
We examine a systematic comparison of jet knots, hot spots, and radio lobes recently observed with Chandra and ASCA. This report discusses the origin of their X-ray emissions and investigates the...
X-ray Emission Properties of Large Scale Jets, Hotspots and Lobes in Active Galactic Nuclei (2004)
We examine a systematic comparison of jet-knots, hotspots and radio lobes recently observed with Chandra and ASCA. This report will discuss the origin of their X-ray emissions and investigate the...
Evolution of the Synchrotron Spectrum in Mrk421 during the 1998 Campaign (2003)
Tanihata, Chiharu, Takahashi, Tadayuki, Kataoka, Jun, Madejski, Greg M.
The uninterrupted 7-day ASCA observations of the TeV blazar Mrk421 in 1998 have clearly revealed that X-ray flares occur repeatedly. In this paper, we present the results of the time-resolved...
Sato, Eiko, Ohsawa, Isao, Kataoka, Jun, Miwa, Miki, Tsukagoshi, Fumie, Sato, Juichi, ...
Purpose: To identify the serious emotional impacts as socio-psychological problems encountered by patients with late adolescent onset type 1 diabetes since their disease onset. Subjects and methods:...
Chandra Observation of the Anomalous X-ray Pulsar 1E 1841-045 (2003)
Morii, Mikio, Sato, Rie, Kataoka, Jun, Kawai, Nobuyuki
We present the results from the {\it Chandra} ACIS CC mode observation of an anomalous X-ray pulsar (AXP) 1E 1841-045. This is the first observation in which the pulsar spectrum in wide energy range...
Chandra Detection of Hotspot and Knots of 3C 303 (2002)
Kataoka, Jun, Edwards, Philip, Georganopoulos, Markos, Takahara, Fumio, Wagner, Stefan
We report the detection at X-rays of the radio/optical hotspot and knots of 3C 303 from a short (15 ksec) Chandra exposure in 2001 March. The X-ray morphology is similar to that of the radio/optical...
Tanihata, Chiharu, Takahashi, Tadayuki, Kataoka, Jun, Madejski, Greg M.
The recent long look X-ray observations of TeV blazars have revealed many important new features concerning their time variability. In this paper, we suggest a physical interpretation for those...
RXTE Observations of 3C273 between 1996 and 2000:Variability Timescale and Jet Power (2002)
Kataoka, Jun, Tanihata, Chiharu, Kawai, Nobuyuki, Takahara, Fumio, Takahashi, Tadayuki, Edwards, Philip G., ...
We present the results of a long-look monitoring of 3C273 with RXTE between 1996 and 2000. A total of 230 observations amounts to a net exposure of 845ksec, with this spectral and variability...
Tanihata, Chiharu, Urry, C. Megan, Takahashi, Tadayuki, Kataoka, Jun, Wagner, Stefan J., Madejski, Greg M., ...
Three uninterrupted, long (lasting respectively 7, 10, and 10 days) ASCA observations of the well-studied TeV-bright blazars Mrk 421, Mrk 501 and PKS 2155-304 all show continuous strong X-ray...
Kataoka, Jun, Takahashi, Tadayuki, Wagner, Stefan J., Iyomoto, Naoko, Edwards, Philip G., Hayashida, Kiyoshi, ...
We have studied the rapid X-ray variability of three extragalactic TeV gamma-ray sources; Mrk 421, Mrk 501 and PKS 2155-304. Analyzing the X-ray light curves obtained from ASCA and/or RXTE...
"January 2001."
Slope failure in the rectilinear zone of hillsides (1987)
TAKEDA, Yasuo, 竹田, 泰雄, KATAOKA, Jun, 片岡, 順, IIDA, Osamu, 飯田, 修, ...
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