Probing the Galactic cosmic ray flux with submillimeter and gamma ray data (2008)
Casanova, S., Gabici, S., Aharonian, F. A., Torii, K., Fukui, Y., Onishi, T., ...
The study of Galactic diffuse $\gamma$ radiation combined with the knowledge of the distribution of the molecular hydrogen in the Galaxy offers a unique tool to probe the cosmic ray flux in the...
Performance of the Charge Injection Capability of Suzaku XIS (2007)
Nakajima, H., Yamaguchi, H., Matsumoto, H., Tsuru, T. G., Koyama, K., Tsunemi, H., ...
A charge injection technique is applied to the X-ray CCD camera, XIS (X-ray Imaging Spectrometer) onboard Suzaku. The charge transfer inefficiency (CTI) in each CCD column (vertical transfer channel)...
Swift and Suzaku Observations of the X-Ray Afterglow from the GRB 060105 (2006)
Tashiro, M. S., Abe, K., Angelini, L., Barthelmy, S., Gehrels, N., Ishikawa, N., ...
Results are presented of early X-ray afterglow observations of GRB 060105 by Swift and Suzaku. The bright, long gamma-ray burst GRB 060105 triggered the Swift Burst Alert Telescope (BAT) at 06:49:28...
Size and top electrode-edge effects on fatigue in Pb(Zr,Ti)O-3 capacitors with Pt-electrodes (2006)
Torii, K., Colla, E. L., Song, H. W., Tagantsev, A. K., No, K., Setter, N.
The occurrence of switching-induced suppression of the remanent polarization (fatigue) in Pb(Zr,Ti)O-3 (PZT) ferroelectric capacitors with comb shaped top electrodes was studied by means of scanning...
Ming, Z, Nakajima, K, Suzuki, M, Kimura, K, Uematsu, M, Torii, K, ...
Antonelli, L. A., Testa, V., Romano, P., Guetta, D., Torii, K., Elia, V. D, ...
Context. GRB050721 was detected by Swift and promptly followed-up, in the X-ray by Swift itself and, in the optical band, by the VLT operated, for the first time, in rapid response mode. A...
Global Characteristics of X-Ray Flashes and X-Ray-Rich GRBs Observed by HETE-2 (2006)
Sakamoto, T., Lamb, D. Q., Graziani, C., Donaghy, T. Q., Suzuki, M., Ricker, G., ...
We describe and discuss the global properties of 45 gamma-ray bursts (GRBs) observed by HETE-2 during the first three years of its mission, focusing on the properties of X-Ray Flashes (XRFs) and...
Discovery of a Featureless X-Ray Spectrum in the Supernova Remnant Shell of G330.2+1.0 (2006)
Torii, K., Uchida, H., Hasuike, K., Tsunemi, H., Yamaguchi, Y., Shibata, S.
We report here on the first pointed X-ray observation of the supernova remnant (SNR) G330.2+1.0. The X-ray morphology is characterized by an extended shell. Its X-ray spectrum is well represented by...
Adult T-cell leukemia blast crisis in a patient with acute liver failure (2006)
Kawamura, E, Habu, D, Kurooka, H, Hayashi, T, Oe, A, Kotani, J, ...
Ming, Z, Nakajima, K, Suzuki, M, Kimura, K, Uematsu, M, Torii, K, ...
Spectral analysis of 35 GRBs/XRFs observed with HETE-2/FREGATE (2005)
Barraud, C., Olive, J-F., Lestrade, J. P., Atteia, J-L., Hurley, K., Ricker, G., ...
We present a spectral analysis of 35 GRBs detected with the HETE-2 gamma-ray detectors (the FREGATE instrument) in the energy range 7-400 keV. The GRB sample analyzed is made of GRBs localized with...
HETE-2 Observation of two gamma-ray bursts at z > 3 (2005)
Kawai, N., Vanderspek, R., Pizzichini, G., Ricker, G. R., Barraud, C., ...
GRB 020124 and GRB 030323 constitute half the sample of gamma-ray bursts with a measured redshift greater than 3. This paper presents the temporal and spectral properties of these two gamma-ray...
Nysewander, M. C., Reichart, D. E., Williams, G. G., Kinugasa, K., Lamb, D. Q., ...
We present Follow-Up Network for Gamma-Ray Bursts (FUN GRB) Collaboration observations of the optical afterglow of GRB 021211 made between 143 seconds and 102 days after the burst. Our unique data...
HETE-2 Observation of two gamma-ray bursts at z > 3 (2005)
Kawai, N., Vanderspek, R., Pizzichini, G., Ricker, G. R., Barraud, C., ...
GRB 020124 and GRB 030323 constitute half the sample of gamma-ray bursts with a measured redshift greater than 3. This paper presents the temporal and spectral properties of these two gamma-ray...
HETE-2 Observation of two gamma-ray bursts at z > 3 (2005)
Kawai, N., Vanderspek, R., Pizzichini, G., Ricker, G. R., Barraud, C., ...
GRB 020124 and GRB 030323 constitute half the sample of gamma-ray bursts with a measured redshift greater than 3. This paper presents the temporal and spectral properties of these two gamma-ray...
HETE-2 Observation of two gamma-ray bursts at z > 3 (2005)
Kawai, N., Vanderspek, R., Pizzichini, G., Ricker, G. R., Barraud, C., ...
GRB 020124 and GRB 030323 constitute half the sample of gamma-ray bursts with a measured redshift greater than 3. This paper presents the temporal and spectral properties of these two gamma-ray...
Global Characteristics of X-Ray Flashes and X-Ray-Rich GRBs Observed by HETE-2 (2004)
Sakamoto, T., Lamb, D. Q., Graziani, C., Donaghy, T. Q., Suzuki, M., Ricker, G., ...
We describe and discuss the global properties of 45 gamma-ray bursts (GRBs) observed by HETE-2 during the first three years of its mission, focusing on the properties of X-Ray Flashes (XRFs) and...
Gastric ulcer detected incidentally by Renal scintigraphy (2004)
Torii, K, Kawabe, J, Hayashi, T, Oe, A, Kotani, J, Kawamura, E, ...
High Energy Observations of XRF 030723: Evidence for an Off-axis Gamma-Ray Burst? (2004)
Butler, N. R., Sakamoto, T., Suzuki, M., Kawai, N., Lamb, D. Q., Graziani, C., ...
We report High Energy Transient Explorer 2 (HETE-2) Wide Field X-ray Monitor/French Gamma Telescope observations of XRF030723 along with observations of the XRF afterglow made using the 6.5m Magellan...
Vanderspek, R., Sakamoto, T., Barraud, C., Tamagawa, T., Graziani, C., Suzuki, M., ...
An exceptionally intense gamma-ray burst, GRB030329, was detected and localized by the instruments on board the High Energy Transient Explorer satellite (HETE) at 11:37:14 UT on 29 March 2003. The...
Global Characteristics of X-Ray Flashes and X-Ray-Rich GRBs Observed by HETE-2 (2004)
Sakamoto, T., Lamb, D. Q., Graziani, C., Donaghy, T. Q., Suzuki, M., Ricker, G., ...
We describe and discuss the global properties of 45 gamma-ray bursts (GRBs) observed by HETE-2 during the first three years of its mission, focusing on the properties of X-Ray Flashes (XRFs) and...
Global Characteristics of X-Ray Flashes and X-Ray-Rich GRBs Observed by HETE-2 (2004)
Sakamoto, T., Lamb, D. Q., Graziani, C., Donaghy, T. Q., Suzuki, M., Ricker, G., ...
We describe and discuss the global properties of 45 gamma-ray bursts (GRBs) observed by HETE-2 during the first three years of its mission, focusing on the properties of X-Ray Flashes (XRFs) and...
GRB 020531: A Short, Hard Gamma-Ray Burst Localized and Observed by HETE-2 (2003)
Lamb, D. Q., Ricker, G. R., Hurley, K., Kawai, N., Shirasaki, Y., ...
The HETE-2 FREGATE and WXM instruments detected a short, hard GRB at 00:26:18.72 UT on 31 May 2002. A preliminary localization was reported as a GCN Position Notice 88 min after the burst, and a...
Shirasaki, Y., Kawai, N., Yoshida, A., Matsuoka, M., Tamagawa, T., Torii, K., ...
The Wide-field X-ray Monitor (WXM) is one of the scientific instruments carried on the High Energy Transient Explorer 2 (HETE-2) satellite launched on 2000 October 9. HETE-2 is an international...
Highlights of the HETE-2 Mission (2003)
Lamb, D. Q., Ricker, G. R., Barraud, C., Boer, M., Braga, J., ...
The HETE-2 mission has been highly productive. It has observed more than 250 GRBs so far. It is currently localizing 25 - 30 GRBs per year, and has localized 43 GRBs to date. Twenty-one of these...
The Earliest Optical Observations of GRB 030329 (2003)
Torii, K., Kato, T., Yamaoka, H., Kohmura, T., Okamoto, Y., Ohnishi, K., ...
We present the earliest optical imaging observations of GRB 030329 related to SN 2003dh. The burst was detected by the HETE-2 satellite at 2003 March 29, 11:37:14.67 UT. Our wide-field monitoring...
HETE-2 Observations of the Extremely Soft X-Ray Flash XRF 020903 (2003)
Sakamoto, T., Lamb, D. Q., Graziani, C., Donaghy, T. Q., Suzuki, M., Ricker, G., ...
We report HETE-2 WXM/FREGATE observations of the X-ray flash, XRF 020903. This event was extremely soft: the ratio log(S_X/S_gamma) = 0.7, where S_X and S_gamma are the fluences in the 2-30 and...
Scientific Highlights of the HETE-2 Mission (2003)
Lamb, D. Q., Ricker, G. R., Atteia, J-L., Barraud, C., Boer, M., Braga, J., ...
The HETE-2 mission has been highly productive. It has observed more than 250 GRBs so far. It is currently localizing 25 - 30 GRBs per year, and has localized 43 GRBs to date. Twenty-one of these...
Outburst and Post-Outburst Active Phase of the Black Hole X-ray Binary V4641 Sgr in 2002 (2003)
Uemura, M., Kato, T., Ishioka, R., Tanabe, K., Torii, K., Santallo, R., ...
The black hole X-ray binary V4641 Sgr experienced an outburst in 2002 May which was detected at X-ray, optical, and radio wavelengths. The outburst lasted for only 6 days, but the object remained...
Very high column density and small reddening towards GRB 020124 at z = 3.20 (2003)
Hjorth, J., Møller, P., Gorosabel, J., Fynbo, J. P. U., Toft, S., Jaunsen, A. O., ...
We present optical and near-infrared observations of the dim afterglow of GRB 020124, obtained between 2 and 68 hours after the gamma-ray burst. The burst occurred in a very faint (R > 29.5) Damped...
On The Spectrum and Spectropolarimetry of Type Ic Hypernova SN 2003dh/GRB 030329 (2003)
Kawabata, K. S., Deng, J., Wang, L., Mazzali, P., Nomoto, K., Maeda, K., ...
Spectroscopic and spectropolarimetric observations of SN 2003dh/GRB 030329 obtained in 2003 May using the Subaru 8.2 m telescope are presented. The properties of the SN are investigated through a...
HETE-2 Localization and Observation of the Bright, X-Ray-Rich Gamma-Ray Burst GRB021211 (2003)
Crew, G. B., Lamb, D. Q., Ricker, G. R., Kawai, N., Vanderspek, R., ...
A bright, x-ray-rich GRB was detected by HETE-2 at 11:18:34.03 UT on 11 Dec 2002. The WXM localization was to 14' and relayed to the GCN 22 s after the start of the burst. The ground SXC localization...
Period change of Superhumps in the WZ Sge-Type Dwarf Nova, HV Virginis (2003)
Ishioka, R., Kato, T., Uemura, M., Pietz, J., Vanmunster, T., Krajci, T., ...
After 10 years of quiescence, HV Vir underwent a superoutburst in January 2002. We report time-series observations clearly revealing the period change of ordinary superhumps during the superoutburst....
In-the-Gap SU UMa-Type Dwarf Nova, Var73 Dra with a Supercycle of about 60 Days (2003)
Nogami, D., Uemura, M., Ishioka, R., Kato, T., Torii, K., Starkey, D. R., ...
An intensive photometric-observation campaign of the recently discovered SU UMa-type dwarf nova, Var73 Dra was conducted from 2002 August to 2003 February. We caught three superoutbursts in 2002...
Very High Column Density and Small Reddening toward GRB 020124 at z=3.20 (2003)
Hjorth, J., Moller, P., Gorosabel, J., Fynbo, J.U., Toft, S., Jaunsen, A.O., ...
We present optical and near-infrared observations of the dim afterglow of GRB 020124, obtained between 2 and 68 hr after the gamma-ray burst. The burst occurred in a very faint (R>~29.5) damped...
Spectral analysis of 35 GRBs/XRFs observed with HETE-2/FREGATE (2003)
Barraud, C., Olive, J-F., Lestrade, J. P., Atteia, J-L., Hurley, K., Ricker, G., ...
We present a spectral analysis of 35 GRBs detected with the HETE-2 gamma-ray detectors (the FREGATE instrument) in the energy range 7-400 keV. The GRB sample analyzed is made of GRBs localized with...
Spectral analysis of 35 GRBs/XRFs observed with HETE-2/FREGATE (2003)
Barraud, C., Olive, J-F., Lestrade, J. P., Atteia, J-L., Hurley, K., Ricker, G., ...
We present a spectral analysis of 35 GRBs detected with the HETE-2 gamma-ray detectors (the FREGATE instrument) in the energy range 7-400 keV. The GRB sample analyzed is made of GRBs localized with...
Graziani, C., Shirasaki, Y., Donaghy, T., Fenimore, E., Galassi, M., Kawai, N., ...
WXM gives GRB localizations in instrument coordinates. WXM localizations must be converted to celestial coordinates using spacecraft aspect information obtained by the optical cameras on HETE. We...
Spectral analysis of 35 GRBs/XRFs observed with HETE-2/FREGATE (2002)
Barraud, C., Olive, J-F., Lestrade, J. P., Atteia, J-L., Hurley, K., Ricker, G., ...
We present a spectral analysis of 35 GRBs detected with the HETE-2 gamma-ray detectors (the FREGATE instrument) in the energy range 7-400 keV. The GRB sample analyzed is made of GRBs localized with...
HETE-2 Localization and Observations of the Short, Hard Gamma-Ray Burst GRB020531 (2002)
Lamb, D. Q., Ricker, G. R., Hurley, K., Kawai, N., Shirasaki, Y., ...
The {\it HETE-2} (hereafter \HETE) French Gamma Telescope (FREGATE) and the Wide-field X-ray Monitor (WXM) instruments detected a short ($t_{50} = 360$ msec in the FREGATE 85-300 keV energy band),...
GRB010921: Localization and Observations by the HETE Satellite (2002)
Ricker, G., Hurley, K., Lamb, D., Woosley, S., Atteia, J-L, Kawai, N., ...
On September 21 at 18950.56 SOD (05:15:50.56) UT the FREGATE gamma-ray instrument on the High Energy Transient Explorer (HETE) detected a bright gamma-ray burst (GRB). The burst was also seen by the...
Sakano, M., Tomida, H., Matsuoka, M., Ueno, S., Komatsu, S., Shirasaki, Y., ...
Monitor of All-sky X-ray Image (MAXI) on the International Space Station (ISS) has two kinds of X-ray detectors: the Gas Slit Camera (GSC) and the Solid-state Slit Camera (SSC). SSC is an X-ray CCD...
Vasisht, G., Gotthelf, E. V., Torii, K., Gaensler, B. M.
We present follow-up observations of the serendipitously discovered 7-s X-ray pulsar AX J1845-0258, which displays characteristics similar to those observed in the anomalous X-ray pulsars (AXPs). We...
A 700 year-old Pulsar in the Supernova Remnant Kes 75 (2000)
Gotthelf, E. V., Vasisht, G., Boylan-Kolchin, M., Torii, K.
Since their discovery 30 years ago, pulsars have been understood to be neutron stars (NSs) born rotating rapidly (~ 10-100 ms). These neutron stars are thought to be created in supernova explosions...
A Giant Glitch in the Energetic 69 ms X-ray Pulsar AXS J161730-505505 (2000)
Torii, K., Gotthelf, E. V., Vasisht, G., Dotani, T., Kinugasa, K.
We present new results on the recently discovered 69 ms X-ray pulsar AXS J161730-505505, the sixth youngest sample of all known pulsars. We have undertaken a comprehensive X-ray observing campaign of...
A New Pulsar/SNR Pair: AX J1845-0258 in G29.6+0.1 (1999)
Gotthelf, E. V., Vasisht, G., Torii, K., Gaensler, B. M.
We present a follow-up X-ray and radio study of the field containing the 7-s X-ray pulsar AX J1845-0258, the serendipitous ASCA source whose characteristics are found to be similar to those of the...
MAXI mission for the space station (1999)
Matsuoka, M, Kawai, N, Mihara, T, Yoshida, A, Tsunemi, H, Miyata, E, ...
The X-ray CCD camera of the MAXI Experiment on the ISS/JEM (1999)
Miyata, E., Tsunemi, H., Ogata, H., Akutsu, D., Yoshita, K., Hashimoto, Y., ...
MAXI, Monitor of All-sky X-ray Image, is the X-ray observatory on the Japanese experimental module (JEM) Exposed Facility (EF) on the International Space Station (ISS). MAXI is a slit scanning camera...
Discovery of the compact X-ray source inside the Cygnus Loop (1998)
Miyata, E., Tsunemi, H., Torii, K., Hashimotodani, K., Tsuru, T. G., Koyama, K., ...
We detected an X-ray compact source inside the Cygnus Loop during the observation project of the whole Cygnus Loop with the ASCA GIS. The source intensity is 0.11 c s$^{-1}$ for GIS and 0.15 c...