Status of GRB Observations with the Suzaku Wideband All-sky Monitor (2008)
Tashiro, M. S., Terada, Y., Urata, Y., Onda, K., Kodaka, N., Endo, A., ...
The Wide-band All-sky Monitor (WAM) is a function of the large lateral BGO shield of the Hard X-ray Detector (HXD) onboard Suzaku. Its large geometrical area of 800 cm^2 per side, the large stopping...
Ruiz-Velasco, A. E., Swan, H., Troja, E., Malesani, D., Fynbo, J. P. U., Starling, R. L. C., ...
We report on follow-up observations of the GRB 060927 using the ROTSE-IIIa telescope and a suite of larger aperture ground-based telescopes. An optical afterglow was detected 20 s after the burst,...
Very early multi-color observations of the plateau phase of GRB 041006 afterglow (2006)
Urata, Y., Huang, K. Y., Qiu, Y. L., Hu, J., Kuo, P. H., Tamagawa, T., ...
Observations of the optical afterglow of GRB 041006 with the Kiso Observatory 1.05 m Schmidt telescope, the Lulin Observatory 1.0 m telescope and the Xinglong Observatory 0.6 m telescope. Three-bands...
Postigo, A De Ugarte, Fatkhullin, T. A., Johannesson, G., Gorosabel, J., Sokolov, V. V., Castro-Tirado, A. J., ...
Aims. Understand the shape and implications of the multiband light curve of GRB 050408, an X-ray rich (XRR) burst. Methods. We present a multiband optical light curve, covering the time from the...
Multi-color Shallow Decay and Chromatic Breaks in the GRB 050319 Optical Afterglow (2006)
Huang, K. Y., Urata, Y., Kuo, P. H., Ip, W. H., Ioka, K., Aoki, T., ...
Multi-wavelength B, V, R, I observations of the optical afterglow of GRB 050319 were performed by the 1.05-m telescope at Kiso Observatory and the 1.0-m telescope at Lulin Observatory from 1.31 hours...
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...
Butler, N. R., Li, W., Perley, D., Huang, K. Y., Urata, Y., Prochaska, J. X., ...
Even with the renaissance in gamma-ray burst (GRB) research fostered by the Swift satellite, few bursts have both contemporaneous observations at long wavelengths and exquisite observations at later...
Aleiferis, P.G., Hardalupas, Y., Taylor, A.M.K., Ishii, K., Urata, Y.
Lean-burn spark-ignition engines exhibit higher efficiency and lower specific emissions in comparison with stoichiometrically charged engines. However, as the air-to-fuel (A/F) ratio of the mixture...
Optical Afterglow Observations of the Unusual Short-Duration Gamma-Ray Burst 040924 (2005)
Huang, K. Y., Urata, Y., Filippenko, A. V., Hu, J. H., Ip, W. H., Kuo, P. H., ...
The 1-m telescope at Lulin Observatory and the 0.76-m Katzman Automatic Imaging Telescope at Lick Observatory were used to observe the optical afterglow of the short-duration (1.2--1.5 s) gamma-ray...
The search for optical emission on and before the GRB trigger with the WIDGET telescope (2005)
Tamagawa, T., Usui, F., Urata, Y., Abe, K., Onda, K., Tashiro, M., ...
WIDGET is a robotic telescope for monitoring the HETE-2 field-of-view to detect Gamma-ray Burst optical flashes or possible optical precursors. The system has 62degx62deg wide field-of-view which...
Kiso observations for 20 GRBs in HETE-2 era (2005)
Urata, Y., Nakada, Y., Miyata, T., Aoki, T., Soyano, T., Tarusawa, K., ...
We have established a GRB follow-up observation system at Kiso observatory (Japan) in 2001. Since the east Asian area had been blank for the GRB follow-up observational network, this observational...
GRBs Optical follow-up observation at Lulin observatory, Taiwan (2005)
Huang, K. Y., Urata, Y., Ip, W. H., Tamagawa, T., Onda, K., Makishima, K.
The Lulin GRB program, using the Lulin One-meter Telescope (LOT) in Taiwan started in July 2003. Its scientific aims are to discover optical counterparts of XRFs and short and long GRBs, then to...
The nature of early flame development in a lean-burn stratified-charge spark-ignition engine (2004)
Aleiferis, P.G., Taylor, A.M.K., Ishii, K., Urata, Y.
The operating range of lean-burn SI engines is limited by the level of cycle-by-cycle variability in the early flame development, which typically corresponds to the 0–5% mass fraction burned. An...
Aleiferis, P.G., Hardalupas, Y., Taylor, A.M.K., Ishii, K., Urata, Y.
The operating range of lean-burn spark-ignition engines is limited by the level of cyclic variability in the early flame development that typically corresponds to the 0–5% mass fraction burned...
Urata, Y., Miyata, T., Nishiura, S., Tamagawa, T., Burenin, R. A., Sekiguchi, T., ...
We observed the optical afterglow of the bright gamma-ray burst GRB030329 on the nights of 2003 March 29, using the Kiso observatory (the University of Tokyo) 1.05 m Schmidt telescope. Data were...
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...
Multi-band optical follow-up observations of GRB 020813 at KISO and Bisei observatories (2003)
Urata, Y., Nishiura, S., Miyata, T., Mito, H., Kawabata, T., Nakada, Y., ...
Observations were made of the optical afterglow of GRB020813 (Fox, Blake & Price, 2002) with the KISO observatory 1.05 m Schmidt telescope and the Bisei astronomical observatory 1.01 m telescope....
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...
Aa 394, 633--639 (2002) (2003)
S. V. Zharikov, Yu. A. Shibanov, A. B. Koptsevich, N. Kawai, Y. Urata, V. N. Komarova, ...
We report the B band optical observations of an old (# 17.5 Myr) radiopulsar PSR B0950+08 obtained with the Suprime-Cam at the Subaru telescope. We detected a faint object, B = 27.
Subaru optical observations of the old pulsar PSR B0950+08 (2002)
Zharikov, S. V., Shibanov, Yu. A., Koptsevich, A. B., Kawai, N., Urata, Y., Komarova, V. N., ...
We report the B band optical observations of an old (17.5 Myr) radiopulsar PSR B0950+08 obtained with the Suprime-Cam at the Subaru telescope. We detected a faint object, B=27.07(16). Within our...
Cloning and nucleotide sequence of the cDNA encoding human 2-oxoglutarate dehydrogenase (lipoamide).
2-Oxoglutarate dehydrogenase (lipoamide) (( OGDH: 2-oxoglutarate:lipoamide 2-oxidoreductase (decarboxylating and acceptor-succinylating), EC 1.2.4.2 )) is a component enzyme of the 2-oxoglutarate...
Molecular cloning and characterization of human pyruvate dehydrogenase beta subunit gene.
A genomic clone encompassing the entire gene for the human pyruvate dehydrogenase beta subunit (PDH beta) has been isolated by screening a leukocyte genomic library with a nick-translated human...
Cloning and sequencing of cDNAs encoding alpha and beta subunits of human pyruvate dehydrogenase.
Koike, K, Ohta, S, Urata, Y, Kagawa, Y, Koike, M
The cDNAs encoding fragments of the alpha and beta subunits (PDH alpha and PDH beta) of human pyruvate dehydrogenase (PDH, EC 1.2.4.1) were isolated from a HeLa cell cDNA library in the lambda gt11...
Cloning and nucleotide sequence of the cDNA encoding human 2-oxoglutarate dehydrogenase (lipoamide).
2-Oxoglutarate dehydrogenase (lipoamide) (( OGDH: 2-oxoglutarate:lipoamide 2-oxidoreductase (decarboxylating and acceptor-succinylating), EC 1.2.4.2 )) is a component enzyme of the 2-oxoglutarate...
Molecular cloning and characterization of human pyruvate dehydrogenase beta subunit gene.
A genomic clone encompassing the entire gene for the human pyruvate dehydrogenase beta subunit (PDH beta) has been isolated by screening a leukocyte genomic library with a nick-translated human...
Cloning and sequencing of cDNAs encoding alpha and beta subunits of human pyruvate dehydrogenase.
Koike, K, Ohta, S, Urata, Y, Kagawa, Y, Koike, M
The cDNAs encoding fragments of the alpha and beta subunits (PDH alpha and PDH beta) of human pyruvate dehydrogenase (PDH, EC 1.2.4.1) were isolated from a HeLa cell cDNA library in the lambda gt11...
Umemura, K., Kondo, K., Ikeda, Y., Kobayashi, T., Urata, Y., Nakashima, M.
Aims To investigate the pharmacokinetics and safety profile of JTP-4819, (-)-(2S)-1-benzylaminocarbonyl-[ (2S)-2-glycoloylpyrrolidinyl]-2-pyrrolidinecarboxamide, a novel specific orally active...
Todoroki, S., Goto, S., Urata, Y., Komatsu, K., Sumikawa, K., Ogura, T., ...
Hereditary argininemia manifests as neurological disturbance and mental retardation, features not observed in other amino acidemias. The cytotoxic effect of a high concentration of L-arginine (L-Arg)...