Y. Matsubara

Publication List Details

Period

1951 - 2009

Number

72

Co-Authors

Masses and Orbital Constraints for the OGLE-2006-BLG-109Lb,c Jupiter/Saturn Analog Planetary System (2009)

Bennett, D. P., Rhie, S. H., Nikolaev, S., Gaudi, B. S., Udalski, A., Gould, A., ...

We present a new analysis of the Jupiter+Saturn analog system, OGLE-2006-BLG-109Lb,c, which was the first double planet system discovered with the gravitational microlensing method. This is the only...

Search for VHE gamma rays from SS433/W50 with the CANGAROO-II telescope (2009)

Hayashi, Sei., Kajino, F., Naito, T., Asahara, A., Bicknell, G. V., Clay, R. W., ...

SS433, located at the center of the supernova remnant W50, is a close proximity binary system consisting of a compact star and a normal star. Jets of material are directed outwards from the vicinity...

Fully Compatible Integration of High Density Embedded DRAM with 65nm CMOS Technology (CMOS5) (2009)

Y. Matsubara, M. Habu, S. Matsuda, K. Honda, E. Morifuji, T. Yoshida, ...

65nm node SoC technology has been achieved to show good yield of 8M bit DRAM ADM using tapered BF2 implantation without additional mask step, which cell size is 0.11um 2 [1], with 3 layers hybrid...

CANGAROO-III search for TeV Gamma-rays from two clusters of galaxies (2009)

Kiuchi, R., Mori, M., Bicknell, G. V., Clay, R. W., Edwards, P. G., Enomoto, R., ...

Because accretion and merger shocks in clusters of galaxies may accelerate particles to high energies, clusters are candidate sites for the origin of ultra-high-energy (UHE) cosmic-rays. A prediction...

CANGAROO-III Observation of TeV Gamma Rays from the vicinity of PSR B1 706-44 (2009)

Enomoto, R., Kushida, J., Nakamori, T., Kifune, T., Bicknell, G. V., Clay, R. W., ...

Observation by the CANGAROO-III stereoscopic system of the Imaging Cherenkov Telescope has detected extended emission of TeV gamma rays in the vicinity of the pulsar PSR B1706$-$44. The strength of...

Mass measurement of a single unseen star and planetary detection efficiency for OGLE 2007-BLG-050 (2009)

Batista, V., Dong, Subo, Gould, A., Beaulieu, J. P., Cassan, A., Christie, G. W., ...

We analyze OGLE-2007-BLG-050, a high magnification microlensing event (A ~ 432) whose peak occurred on 2 May, 2007, with pronounced finite-source and parallax effects. We compute planet detection...

OGLE-2005-BLG-071Lb, the Most Massive M Dwarf Planetary Companion? (2009)

Dong, Subo, Gould, Andrew, Udalski, Andrzej, Anderson, Jay, Christie, G. W., Gaudi, B. S., ...

We combine all available information to constrain the nature of OGLE-2005-BLG-071Lb, the second planet discovered by microlensing and the first in a high-magnification event. These include...

Control of Flow and Heat Transfer Characteristics in an Impinging Jet with Acoustic Excitation (2009)

Iio, S, Haneda, Y, Matsubara, Y, Ikeda, T

The experimental study of flow field and heat transfer characteristics of a submerged, rectangular jet impinging normally on a flat plate is presented. Four nozzle-to-surface spacing of H/w=3, 6, 10...

OGLE-2005-BLG-071Lb, the Most Massive M Dwarf Planetary Companion? (2009)

Christie, G.W., Gaudi, B.S., Kubiak, M., Szymanski, M.K., Pietrzynski, G., Soszynski, I., ...

We combine all available information to constrain the nature of OGLE-2005-BLG-071Lb, the second planet discovered by microlensing and the first in a high-magnification event. These include...

OGLE-2005-BLG-071Lb, The Most Massive M Dwarf Planetary Companion? (2009)

Dong, S, Gould, A, Udalski, A, Anderson, J, Christie, GW, Gaudi, BS, ...

We combine all available information to constrain the nature of OGLE-2005-BLG-071Lb, the second planet discovered by microlensing and the first in a high-magnification event. These include...

Extreme Magnification Microlensing Event OGLE-2008-BLG-279: Strong Limits on Planetary Companions to the Lens Stars (2009)

Yee, JC, Udalski, A, Sumi, T, Dong, S, Kozlowski, S, Bird, JC, ...

We analyze the extreme high-magnification microlensing event OGLE-2008-BLG-279, which peaked at a maximum magnification of A ~ 1600 on 2008 May 30. The peak of this event exhibits both finite-source...

Interpretation of Strong Short-term Central Perturbations in the Light Curves of Moderate-Magnification Microlensing Events (2009)

Han, C, Hwang, KH, Kim, D, Udalski, A, Abe, F, Monard, LAB, ...

To improve the planet detection efficiency, current planetary microlensing experiments are focused on high magnificationevents searching for planetary signals near the peak of lensing light curves....

� ¢   � © ,   H. £ KUBO (2008)

R. Kiuchi, M. Mori, G. Bicknell, R. Clay, P. Edwards, R. Enomoto, ...

Abstract: More than forty gamma-ray sources have been detected by atmospheric Cherenkov telescopes at TeV energies. Although there are many theoretical predictions on the possible gamma-ray fluxes...

OG 2.2.20 1 Search for TeV Gamma Rays from the SNR RXJ1713.7,3946 (2008)

H. Muraishi, T. Tanimori, S. Yanagita, T. Yoshida, T. Kifune, S. A. Dazeley, ...

The shell type SNR RXJ1713.7,3946 is a new SNR discovered by the ROSAT all sky survey. Recently, strong non-thermal X-ray emission from the northwest part of the remnantwas detected by the ASCA...

Very high energy gamma-ray observations of the Galactic plane with the CANGAROO-III telescopes (2008)

M. Ohishi, M. Mori, Y. Adachi, A. Asahara, G. V. Bicknell, R. W. Clay, ...

We have searched for very high energy gamma-ray emission from two points (�������������� � and ���������� � ) on

28th International Cosmic Ray Conference 2533 Observation of sub-TeV gamma rays from SS433/W50 with the CANGAROO-II telescope (2008)

Sei Hayashi, F. Kajino, T. Naito, A. Asahara, G. V. Bicknell, R. W. Clay, ...

Observations of the western X-ray lobe region of SS433/W50 system were performed by the CANGAROO-II telescope in August and September, 2001, and July and September, 2002. Total observation times were...

OG 4.3.31 1 Data Acquisition System of the CANGAROO-II Telescope (2008)

M. Mori, S. A. Dazeley, P. G. Edwards, S. Gunji, S. Hara, T. Hara, ...

The data acquisition system for the new CANGAROO-II 7m telescope is described. The CANGAROO-II 7m telescope which has just been completed in Woomera, Australia aims to extend our study of...

OG 4.3.05 An Optical Re ector for the CANGAROO-II Telescope (2008)

Akiko Kawachi, J. Kushida, S. A. Dazeley, P. G. Edwards, S. Gunji, S. Hara, ...

We have been successful in developing light and durable mirrors made of CFRP (Carbon Fiber Reinforced Plastic) laminates for the re ector of the new CANGAROO-II 7 m telescope. The re ector has a...

Performance of the Atmospheric Cherenkov Imaging Camera for the CANGAROO-III Experiment (2008)

G. V. Bicknell, R. W. Clay, Y. Doi, P. G. Edwards, S. Gunji, S. Hara, ...

A Cherenkov imaging camera was developed and installed in the second telescope of the CANGAROO-III project for observing gamma-rays having energies above 10 11 eV. The camera consists of 427 pixels,...

VERY HIGH ENERGY GAMMA RAYS FROM THE VELA PULSAR DIRECTION (2008)

T. Yoshikoshi, T. Kifune, S. A. Dazeley, P. G. Edwards, T. Hara, Y. Hayami, ...

We have observed the Vela pulsar region at TeV energies using the 3.8 m imaging Cerenkov telescope near Woomera, South Australia between January 1993 and March 1995. Evidence of an unpulsed gamma-ray...

Cangaroo-III search for gamma rays from Kepler's supernova remnant (2008)

Enomoto, R., Higashi, Y., Yoshida, T., Tanimori, T., Bicknell, Geoffrey Vincent, Clay, Roger William, ...

Copyright © 2008. The American Astronomical Society. All rights reserved. Printed in U.S.A.

Cangaroo-III search for gamma rays from Kepler's supernova remnant (2008)

Enomoto, R., Higashi, Y., Yoshida, T., Tanimori, T., Bicknell, Geoffrey Vincent, Clay, Roger William, ...

Copyright © 2008. The American Astronomical Society. All rights reserved. Printed in U.S.A.

TeV gamma-ray observations of three X-ray selected BL Lacs (2007)

Roberts Mcgee Dazeley, M. D. Roberts, P. Mcgee, S. A. Dazeley, P. G. Edwards, T. Hara, ...

. Despite extensive surveys of extragalactic TeV gamma-ray candidates only 3 sources have so far been detected. All three are northern hemisphere objects and all three are low-redshift X-ray selected...

Very High-Energy Gamma-Ray Observations of PSR (2007)

With The Cangaroo, T. Sako, Y. Matsubara, Y. Muraki, P. V. Ramanamurthy, S. A. Dazeley, ...

The gamma-ray pulsar PSR B1509058 and its surrounding nebulae have been observed with the CANGAROO 3.8m imaging atmospheric Cerenkov telescope. The observations were performed from 1996 to 1998 in...

Observation of a Very Energetic Cosmic Ray well beyond the Predicted 2.7K Cutoff in the Primary Energy Spectrum (2007)

Hayashida Honda, N. Hayashida, S. Imaizumi, N. Inoue, K. Kadota, F. Kakimoto, ...

A very energetic cosmic ray of energy about (1.7¸2.6)\Theta10 20 eV was observed by the Akeno Giant Air Shower Array (AGASA) on December 3, 1993 from the direction of galactic longitude l=131 ffi...

DETECTION OF GAMMA RAYS OF UP TO 50 TeV FROM THE CRAB NEBULA (2007)

Tanimori Sakurazawa, T. Tanimori, K. Sakurazawa, S. A. Dazeley, P. G. Edwards, T. Hara, ...

Gamma rays with energies greater than 7 TeV from the Crab pulsar/nebula have been observed at large zenith angles, using the Imaging Atmospheric Technique from Woomera, South Australia. CANGAROO data...

Very High Energy Gamma Rays from the Vela Pulsar/Nebula (2007)

T. Yoshikoshi, T. Kifune, S. A. Dazeley, P.G. Edwards, T. Hara, Y. Hayami, ...

We have observed the Vela pulsar region at TeV energies using the 3.8 m imaging Cerenkov telescope near Woomera, South Australia every year since 1992. This is the first concerted search for pulsed...

Very High Energy Gamma Rays from the Vela Pulsar Direction (2007)

T. Yoshikoshi, T. Kifune, S. A. Dazeley, P.G. Edwards, T. Hara, Y. Hayami, ...

We have observed the Vela pulsar region at TeV energies using the 3.8 m imaging Cerenkov telescope near Woomera, South Australia between January 1993 and March 1995. Evidence of an unpulsed gamma-ray...

TeV Gamma-ray Observations of Southern AGN with the CANGAROO 3.8m Telescope (2007)

M. D. Roberts, S. A. Dazely, P. G. Edwards, T. Hara, A. Hayami, S. Kamei, ...

Since 1992 the CANGAROO 3.8m imaging telescope has been used to search for sources of TeV gamma-rays. Results are presented here for observations of four Southern Hemisphere BL-Lacs - PKS0521-365...

OGLE 2003–BLG–235/MOA 2003–BLG–53: A planetary microlensing event. (2007)

I. A. Bond, A. Udalski, M. Jaroszyński, N. J. Rattenbury, B. Paczyński, I. Soszyński, ...

(The MOA and OGLE Collaborations) We present observations of the unusual microlensing event OGLE 2003–BLG– 235/MOA 2003–BLG–53. In this event a short duration ( � 7 days) low amplitude...

a (2007)

G. P. Rowell, S. A. Dazeley, P. G. Edwards, S. Gunji, T. Hara, J. Holder, ...

, H. Muraishi j Y. Muraki h, T. Naito i, K. Nishijima

Performance of the prototype detector for the LHCf experiment (2007)

Sako, T., Adriani, O., Bonechi, L., Bongi, M., Faus, Ángeles, Haguenauer, M., ...

14 pages, 11 figures.-- PACS nrs.: 13.85.Tp; 95.30.Cq; 95.55.Vj; 95.85.Ry.-- ISI Article Identifier: 000248784500012

LHCf: A LHC detector for astroparticle physics (2007)

D'Alessandro, Raffaello, Adriani, O., Bonechi, L., Bongi, M., Papini, P., Castellini, G., ...

10 pages, 10 figures.-- PACS nrs.: 13.85.Tp, 13.85.Ni, 13.85.Qk.-- ISI Article Identifier: 000245672900017.-- Presented at the "Physics at LHC" Conference, Kraków, Poland, July 3–8, 2006.

Cangaroo III search for gamma rays from Centaurus A and the ω Centauri region (2007)

Kabuki, S., Enomoto, R., Bicknell, Geoffrey Vincent, Clay, Roger William, Edwards, Philip G., Gunji, S., ...

We have observed the giant radio galaxy Centaurus A and the globular cluster ω Centauri in the TeV energy region using the CANGAROO III stereoscopic system. The system has been in operation since...

A Numerical Simulation of Wind-induced Flows in Ariake Sea (2007)

M. Abualtayef, M. Kuroiwa, K. Tanaka, Y. Matsubara, J. Nakahira

A new development of a three dimensional (3D) multi-layer wind-induced circulation model of Ariake Sea region is described in this study. The hydrodynamic equations are derived from 3D Navier Stokes...

OGLE 2003-BLG-235/MOA 2003-BLG-53: A planetary microlensing event (2004)

Bond, I. A., Udalski, A., Jaroszynski, M., Rattenbury, N. J., Paczynski, B., Soszynski, I., ...

We present observations of the unusual microlensing event OGLE 2003-BLG-235/MOA 2003-BLG-53. In this event a short duration (~7 days) low amplitude deviation in the light curve due a single lens...

Status of CANGAROO-III (2004)

Asahara, A., Bicknell, G. V., Clay, Roger William, Doi, Y., Edwards, P. G., Enomoto, R., ...

The CANGAROO-III project started stereoscopic observations of sub-TeV gamma-rays from Dec., 2002, nearWoomera, South Australia. Here, we report on the present status of the project. Details of...

Evidence of TeV gamma-ray emission from the nearby starburst galaxy NGC 253 (2003)

Itoh, C., Enomoto, R., Yanagita, S., Yoshida, T., Tanimori, T., Okumura, K., ...

Copyright © 2003. The European Southern Observatory. All rights reserved. Printed in U.S.A. Submitted to Cornell University’s online archive www.arXiv.org in 2003 by Ryoji Enomoto. Post-print...

Evidence of TeV gamma-ray emission from the nearby starburst galaxy NGC 253 (2003)

Itoh, C., Enomoto, R., Yanagita, S., Yoshida, T., Tanimori, T., Okumura, K., ...

Copyright © 2003. The European Southern Observatory. All rights reserved. Printed in U.S.A. Submitted to Cornell University’s online archive www.arXiv.org in 2003 by Ryoji Enomoto. Post-print...

TeV gamma-ray Observations of the Supernova Remnant RCW86 with the CANGAROO-II telescope. (2003)

Watanabe, S., Tanimori, T., Kubo, H., Asahara, A., Bicknell, Geoffrey Vincent, Clay, Roger William, ...

The supernova remnant(SNR) RCW86(G315.4-2.3) has been observed as our third SNR in 2001 and 2002 with the CANGAROO-II 10m telescope from Woomera, South Australia, to further test the hypothesis that...

TeV gamma-ray Observations of the Supernova Remnant RCW86 with the CANGAROO-II telescope. (2003)

Watanabe, S., Tanimori, T., Kubo, H., Asahara, A., Bicknell, Geoffrey Vincent, Clay, Roger William, ...

The supernova remnant(SNR) RCW86(G315.4-2.3) has been observed as our third SNR in 2001 and 2002 with the CANGAROO-II 10m telescope from Woomera, South Australia, to further test the hypothesis that...

Observation of sub-TeV gamma-rays from RX J0852.0− 4622 with the CANGAROO-II telescope. (2003)

Katagiri, H., Enomoto, R., Mori, M., Asahara, A., Bicknell, Geoffrey Vincent, Clay, Roger William, ...

RX J0852.0−4622 (G266.2−1.2) is a Type-II Supernova Remnant (SNR) located along the line of sight to the Vela SNR. We observed RX J0852.0−4622 with the CANGAROO-II telescope from the middle of...

Observation of sub-TeV gamma-rays from RX J0852.0− 4622 with the CANGAROO-II telescope. (2003)

Katagiri, H., Enomoto, R., Mori, M., Asahara, A., Bicknell, Geoffrey Vincent, Clay, Roger William, ...

RX J0852.0−4622 (G266.2−1.2) is a Type-II Supernova Remnant (SNR) located along the line of sight to the Vela SNR. We observed RX J0852.0−4622 with the CANGAROO-II telescope from the middle of...

Status of the CANGAROO-III Project (2001)

Masaki Mori, S. A. Dazeley, P. G. Edwards, S. Gunji, S. Hara, T. Hara, ...

Abstract. The CANGAROO-III project, which consists of an array of four 10 m imaging Cherenkov telescopes, has just started being constructed in Woomera, South Australia, in a collaboration between...

The CANGAROO-III Project (2000)

Masaki Mori, S. A. Dazeley, P.G. Edwards, S. Gunji, T. Hara, T. Hara, ...

. The CANGAROO-III project, which consists of an array of four 10 m imaging Cherenkov telescopes, has just started being constructed in Woomera, South Australia, in a collaboration between Australia...

Initial Performance of CANGAROO-II 7m Telescope", in GeV-TeV Gamma Ray Astrophysics Workshop, edited by (2000)

Hidetoshi Kubo, S. A. Dazeley, P. G. Edwards, S. Gunji, S. Hara, T. Hara, ...

Abstract. CANGAROO group constructed an imaging air Cherenkov telescope (CANGAROO-II) in March 1999atWoomera, South Australia to observe celestial gamma-rays in hundreds GeV region. It has a 7m...

Present status of the 7-10 m telescope of CANGAROO II (1999)

Yoshikoshi, T., Dazeley, S. A., Gunji, S., Hara, S., Hara, T., Holder, J., ...

The Cherenkov telescope of the CANGAROO II project will start operation in 1999 in Woomera, South Australia, with a 7 m aperture using 60 plastic mirrors. The telescope, which can potentially be...

Present status of the 7-10 m telescope of CANGAROO II (1999)

Yoshikoshi, T., Dazeley, S. A., Gunji, S., Hara, S., Hara, T., Holder, J., ...

The Cherenkov telescope of the CANGAROO II project will start operation in 1999 in Woomera, South Australia, with a 7 m aperture using 60 plastic mirrors. The telescope, which can potentially be...

The SNR W28 at TeV Energies (1999)

Rowell Naito Dazeley, G. P. Rowell, T. Naito, S. A. Dazeley, P. G. Edwards, S. Gunji, ...

. The southern supernova remnant (SNR) W28 was observed in 1994 and 1995 by the CANGAROO 3.8m telescope in a search for multi-TeV gamma ray emission, using the Cerenkov imaging technique. We obtained...

Initial Performance of CANGAROO-II 7m telescope (1999)

Hidetoshi Kubo Dazeley, Hidetoshi Kubo, S. A. Dazeley, P. G. Edwards, S. Gunji, S. Hara, ...

. CANGAROO group constructed an imaging air Cherenkov telescope (CANGAROO-II) in March 1999 at Woomera, South Australia to observe celestial gamma-rays in hundreds GeV region. It has a 7m parabolic...

An Optical Reflector for the CANGAROO-II Telescope (1999)

Akiko Kawachi Kushida, Akiko Kawachi, J. Kushida, S. A. Dazeley, P. G. Edwards, S. Gunji, ...

We have been successful in developing light and durable mirrors made of CFRP (Carbon Fiber Reinforced Plastic) laminates for the reflector of the new CANGAROO-II 7 m telescope. The reflector has a...

An Knowledge-level Approach for Building Human-machine Cooperative Environment (1998)

H. Takeda, N. Kobayashi, Y. Matsubara, T. Nishida

. In this paper, we propose the knowledgeable environment as a framework for integrated systems for human-machine co-existing space. In the knowledgeable environment, integration is achieved as...