An AKARI Search for Intracluster Dust of Globular Clusters (2008)
Matsunaga, N., Mito, H., Nakada, Y., Fukushi, H., Tanabé, T., Ita, Y., ...
We report the observations of 12 globular clusters with the AKARI/FIS. Our goal is to search for emission from the cold dust within clusters. We detect diffuse emissions toward NGC 6402 and 2808, but...
An SiO Maser Search off the Galactic Plane (2007)
Deguchi, S., Fujii, T., Ita, Y., Imai, H., Izumiura, H., Kameya, O., ...
We have searched for the SiO J=1--0 v= 1 and 2 maser lines at ~ 43 GHz in 277 2MASS/MSX/IRAS sources off the Galactic plane (|b|> 3 deg), which resulted in 119 (112 new) detections. Among the new...
Adcox, K., S. Adler, S., N. Ajitanand, N., Akiba, Y., Alexander, J., Aphecetche, L., ...
The first measurement of energy produced transverse to the beam direction at RHIC is presented. The mid-rapidity transverse energy density per participating nucleon rises steadily with the number of...
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...
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...
Adcox, K., S. Adler, S., N. Ajitanand, N., Akiba, Y., Alexander, J., Aphecetche, L., ...
We present results on the measurement of lambda and lambda^bar production in Au+Au collisions at sqrt(s_NN)=130 GeV with the PHENIX detector at RHIC. The transverse momentum spectra were measured for...
Adcox, K., Adler, S.S., Ajitanand, N.N., Akiba, Y., Alexander, J., Aphecetche, L., ...
Two particle azimuthal correlation functions are presented for charged hadrons produced in Au + Au collisions at RHIC sqrt(s_NN) = 130 GeV. The measurements permit determination of elliptic flow...
Adcox, K., Adler, S.S., N. Ajitanand, N., Akiba, Y., Alexander, J., Aphecetche, L., ...
Transverse momentum spectra of electrons from Au+Au collisions at sqrt[sNN] = 130 GeV have been measured at midrapidity by the PHENIX experiment at the Relativistic Heavy Ion Collider. The spectra...
Adcox, K., Adler, S.S., Ajitanand, N.N., Akiba, Y., Alexander, J., Aphecetche, L., ...
Transverse momentum spectra for charged hadrons and for neutral pions in the range 1 GeV/c
Mira variables in the Galactic bulge with OGLE-II data (2005)
Matsunaga, N., Fukushi, H., Nakada, Y.
We have extracted a total of 1968 Mira variables from the OGLE-II data base in the Galactic bulge region. Among them, 1960 are associated with 2MASS sources, and 1541 are further identified with MSX...
Red Variables in Globular Clusters: Comparison with the Bulge and the LMC (2005)
Matsunaga, N., Nakada, Y., Tanabe, T., Fukushi, H., Ita, Y.
We are conducting a project aimed at surveys and repeated observations of red variables (or long-period variables) in globular clusters. Using the IRSF/SIRIUS near-infrared facility located at South...
Adcox, K., Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., ...
Extensive experimental data from high-energy nucleus-nucleus collisions were recorded using the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). The comprehensive set of measurements...
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...
Single Identified Hadron Spectra from sqrt(s_NN)=130 GeV Au+Au Collisions (2005)
Adcox, K., Adler, S.S., Ajitanand, N.N., Akiba, Y., Alexander, J., Aphecetche, L., ...
Transverse momentum spectra and yields of hadrons are measured by the PHENIX collaboration in Au + Au collisions at sqrt(s_NN) = 130 GeV at the Relativistic Heavy Ion Collider (RHIC). The...
Adcox, K., Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., ...
Extensive experimental data from high-energy nucleus-nucleus collisions were recorded using the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). The comprehensive set of measurements...
Adcox, K., Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., ...
Extensive experimental data from high-energy nucleus-nucleus collisions were recorded using the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). The comprehensive set of measurements...
SiO Maser Survey of IRAS Sources in the Inner Galactic Disk (2004)
Deguchi, S., Fujii, T., Glass, I. S., Imai, H., Ita, Y., Izumiura, H., ...
We have surveyed 401 color selected IRAS sources in the Galactic disk in the SiO J=1--0 v= 1 and 2 maser lines at 43 GHz, resulting in 254 (239 new) detections. The observed sources lie mostly in a...
SiO Maser Survey of the Large-Amplitude Variables in the Galactic Center (2004)
Deguchi, S., Imai, H., Fujii, T., Glass, I. S., Ita, Y., Izumiura, H., ...
We have surveyed ~400 known large-amplitude variables within 15' of the galactic center in the SiO J=1--0 v=1 and 2 maser lines at 43 GHz, resulting in 179 detections. SiO lines were also detected...
Chemical composition of UV-bright star ZNG 4 in the globular cluster M13 (2004)
Ambika, S., Parthasarathy, M., Aoki, W., Fujii, T., Nakada, Y., Ita, Y., ...
We present a detailed model-atmosphere analysis of ZNG 4, a UV-bright star in the globular cluster M13. From the analysis of a high resolution ($ R \approx 45,000 $) spectrum of the object, we derive...
Single Identified Hadron Spectra from sqrt(s_NN)=130 GeV Au+Au Collisions (2004)
Adcox, K., Adler, S.S., Ajitanand, N.N., Akiba, Y., Alexander, J., Aphecetche, L., ...
Transverse momentum spectra and yields of hadrons are measured by the PHENIX collaboration in Au + Au collisions at sqrt(s_NN) = 130 GeV at the Relativistic Heavy Ion Collider (RHIC). The...
Single Identified Hadron Spectra from sqrt(s_NN)=130 GeV Au+Au Collisions (2004)
Adcox, K., Adler, S.S., Ajitanand, N.N., Akiba, Y., Alexander, J., Aphecetche, L., ...
Transverse momentum spectra and yields of hadrons are measured by the PHENIX collaboration in Au + Au collisions at sqrt(s_NN) = 130 GeV at the Relativistic Heavy Ion Collider (RHIC). The...
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...
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....
PHENIX detector overview (2003)
Adcox, K., Adler, S.S., Aizama, M., Ajitanand, N.N., Akiba, Y., Akikawa, H., ...
PHENIX detector overview (2003)
Adcox, K., Adler, S.S., Aizama, M., Ajitanand, N.N., Akiba, Y., Akikawa, H., ...
Interstellar extinction in the open clusters towards galactic longitude around 130 degrees (2002)
Pandey, A K, Upadhyay, K, Nakada, Y, Ogura, K
In this paper we present a detailed study of the intra-cluster reddening material in the young open clusters located around $l \sim 130^o$ using colour-excess diagrams and two-colour diagrams. The...
Detections of SiO Masers from the Large-Amplitude Variables in the Galactic Nuclear Disk (2002)
Imai, H., Deguchi, S., Fujii, T., Glass, I. S., Ita, Y., Izumiura, H., ...
We have surveyed known large-amplitude variables within 15' of the Galactic center in the SiO J=1-0 v=1 and 2 maser lines at 43 GHz, resulting in 79 detections and 58 non-detections. The detection...
Net charge fluctuations in Au+Au interactions at $\sqrt s_{NN}$ = 130 GeV (2002)
Adcox, K., Adler, S.S., Ajitanand, N.N., Akiba, Y., Alexander, J., Aphecetche, L., ...
Overview of Phenix results from the first RHIC run (2002)
Adcox, K., Adler, S.S., Ajitanand, N.N., Akiba, Y., Akiba, Y., Allen, W., ...
Net charge fluctuations in Au+Au interactions at $\sqrt s_{NN}$ = 130 GeV (2002)
Adcox, K., Adler, S.S., Ajitanand, N.N., Akiba, Y., Alexander, J., Aphecetche, L., ...
Overview of Phenix results from the first RHIC run (2002)
Adcox, K., Adler, S.S., Ajitanand, N.N., Akiba, Y., Akiba, Y., Allen, W., ...
Adcox, K., Adler, S.S., N. Ajitanand, N., Akiba, Y., Alexander, J., Aphecetche, L., ...
Transverse momentum spectra of electrons from Au+Au collisions at sqrt[sNN] = 130 GeV have been measured at midrapidity by the PHENIX experiment at the Relativistic Heavy Ion Collider. The spectra...
Adcox, K., Adler, S.S., Ajitanand, N.N., Akiba, Y., Alexander, J., Aphecetche, L., ...
Transverse momentum spectra for charged hadrons and for neutral pions in the range 1 GeV/c
Adcox, K., S. Adler, S., N. Ajitanand, N., Akiba, Y., Alexander, J., Aphecetche, L., ...
We present results on the measurement of lambda and lambda^bar production in Au+Au collisions at sqrt(s_NN)=130 GeV with the PHENIX detector at RHIC. The transverse momentum spectra were measured for...
Adcox, K., Adler, S.S., Ajitanand, N.N., Akiba, Y., Alexander, J., Aphecetche, L., ...
Two particle azimuthal correlation functions are presented for charged hadrons produced in Au + Au collisions at RHIC sqrt(s_NN) = 130 GeV. The measurements permit determination of elliptic flow...
IUE and ISO observations of the bipolar proto-planetary nebula Hen 401 (IRAS 10178-5958) (2001)
Parthasarathy, M, García-Lario, P, Gauba, G, De Martino, D, Nakada, Y, Fujii, T, ...
We present ultraviolet (IUE) and infrared (ISO) observations of the bipolar proto-planetary nebula Hen 401 which, combined with previously available optical and near infrared data, are used to...
SiO maser survey of AGB stars in the North Galactic Cap (2001)
Ita, Y, Deguchi, S, Fujii, T, Kameya, O, Miyoshi, M, Nakada, Y, ...
A SiO maser survey in the J=1-0, v=1 and 2 transitions has been made for IRAS sources in the North Galactic Cap b > 30o) with the Nobeyama 45 m radio telescope. The sources were selected on the basis...
UV (IUE) spectra of the central stars of high latitude planetary nebulae Hb7 and Sp3 (2001)
Gauba, G, Parthasarathy, M, Nakada, Y, Fujii, T
We present an analysis of the UV (IUE) spectra of the central stars of Hb7 and Sp3. Comparison with the IUE spectrum of the standard star HD 93205 leads to a spectral classification of O3V for these...
UV (IUE) spectra of the central stars of high latitude planetary nebulae Hb7 and Sp3 (2001)
Gauba, Geetanjali, Parthasarathy, M., Nakada, Y., Fujii, T.
We present an analysis of the UV (IUE) spectra of the central stars of Hb7 and Sp3. Comparison with the IUE spectrum of the standard star HD 93205 leads to a spectral classification of O3V for these...
Y. Nakada, T. Kurihara, T. Matsumoto
An MCMC(Markov Chain Monte Carlo) algorithm is proposed for nonlinear time series prediction with Hierarchical Bayesian framework. The algorithm computes predictive mean and error bar y drawing...
PLASTIC DEFORMATION OF ORIENTED GOLD CRYSTALS, (1998)
Nakada,Y., Kocks,U. F., Chalmers,B.
Gold single crystals of five different orientations were tested in tension at room temperature. The results were qualitatively similar to the observations in aluminum and silver, except for the < 100...