Masaharu Hirayama

Astrophysics Science Division
NASA/GSFC
Code 661, Astroparticle Physics Laboratory
Greenbelt, MD 20771

tel: 301-286-0643
fax: 301-286-1682
e-mail: masaharu.hirayama-1 @ nasa.gov

Present Position

Assistant Research Scientist, University of Maryland, Baltimore County, GLAST Science Support Center

Brief Bio

July 2002 - Present: Assistant Research Scientist at the Joint Center for Astrophysics, University of Maryland, Baltimore County.
May 1998 - June 2002: Postgraduate Researcher at the Santa Cruz Institute for Particle Physics, University of California, Santa Cruz.
April 1996 - May 1998: Research Fellow (PD) of the Japan Society for the Promotion of Science for Young Scientists, Research Center for the Early Universe, School of Science, University of Tokyo.
April 1993 - March 1996: Research Fellow (DC-1) of the Japan Society for the Promotion of Science for Young Scientists, School of Science, University of Tokyo.

Educational Background

March 31, 1996: Complete a course of postgraduate school. Awarded Ph.D. (Science) by the University of Tokyo.
April 1, 1991: Enter postgraduate school, School of Science, University of Tokyo.
March 31, 1991: Graduate from Department of Physics, Faculty of Science, University of Tokyo.

Research Interests

Astrophysics: neutron starts, spin-powered pulsars, Crab-like supernova remnants, and clusters of galaxies
Satellite- and balloon-born experiments: instrumentation, data acquisition system, and data analysis software
Electronics: CMOS analog/digital devices, testing systems, and applications in physics experiments

Current Projects

Design and development of science analysis software for GLAST LAT data

Selected Publications

M. Hirayama, F. Nagase, T. Endo, N. Kawai, and M. Itoh, "ASCA Observations of the Crab-like pulsar/nebula system PSR B0540-69", Monthly Notices of the Royal Astronomical Society, 333, 603 - 612 (2002)

H. Ezawa, N. Y. Yamasaki, T. Ohashi, Y. Fukazawa, M. Hirayama, H. Honda, T. Kamae, K. Kikuchi, and R. Shibata, "ASCA Observation of the Temperature Structure and Metal Distribution in the Perseus Cluster of Galaxies", Publications of the Astronomical Society of Japan, 53, 595 - 604 (2001)

P. Allport, E. Atwood, W. Atwood, G. Beck, B. Bhatnager, E. Bloom, J. Broeder, V. Chen, J. Clark, N. Cotton, E. do Couto e Silva, B. Feerick, G. Giebels, G. Godfrey, T. Handa, J. A. Hernando, M. Hirayama, R. P. Johnson, T. Kamae, S. Kashiguine, W. Kroeger, C. Milbury, W. Miller, O. Millican, M. Nikolaou, M. Nordby, T. Ohsugi, G. Paliaga, E. Ponslet, W. Rowe, H. F.-W. Sadrozinski, E. Spencer, S. Stromberg, E. Swensen, M. Takayuki, D. Tournear, A. Webster, G. Winkler, K. Yamamoto, K. Yamamura, and S. Yoshida, "The assembly of the silicon tracker for the GLAST beam test engineering model", Nuclear Instruments and Methods in Physics Research A, 466, 376 - 382 (2001)

E. Atwood, W. Atwood, B. Bhatnager, E. Bloom, J. Broeder, V. Chen, J. Clark, N. Cotton, E. do Couto e Silva, B. Feerick, B. Giebels, G. Godfrey, T. Handa, J.A. Hernando, M. Hirayama, R.P. Johnson, T. Kamae, S. Kashiguine, W. Kroeger, C. Milbury, W. Miller, O. Millican, M. Nikolaou, M. Nordby, T. Ohsugi, G. Paliaga, E. Ponslet, W. Rowe, H.F.W. Sadrozinski, E. Spencer, S. Stromberg, E. Swensen, M. Takayuki, D. Tournear, A. Webster, G. Winkler, K. Yamamoto, K. Yamamura, and S. Yoshida, "The Silicon Tracker Of The Beam Test Engineering Model Of The Glast Large Area Telescope", Nuclear Instruments and Methods in Physics Research A, 457, 126 - 136 (2001)

M. Hirayama, L. R. Cominsky, V. M. Kaspi, F. Nagase, M. Tavani, N. Kawai, and J. E. Grove, "X-Ray/Gamma-Ray Observations of the PSR B1259+63/SS 2883 system near Apastron", The Astrophysical Journal, 521 718 - 722 (1999)

H. Honda, M. Hirayama, M. Watanabe, H. Kunieda, Y. Tawara, K. Yamashita, T. Ohashi, J. P. Hughes, and J. P. Henry, "Detection of a Temperature Structure in the Coma Cluster of Galaxies with ASCA", The Astrophysical Journal Letters, 473, 71 - 74 (1996)

Publications at the ADS website.