New concept of small satellite, HETE-2 and its scientific activity

M. Matsuoka*, N. Kawai, A. Yoshida, T. Tamagawa, Y. Shirasaki, M. Suzuki, Y. Nakagawa, T. Sakamoto, R. Sato, G. Ricker, J. Doty, R. Vanderspek, G. Crew, J. Vilasenor, J. L. Atteia, E. E. Fenimore, M. Galassi, D. Q. Lamb, C. Graziani, K. HurleyJ. G. Jernigan, S. Woosley, F. Martel, G. Monnelly, G. Prigozhin, J. F. Olive, J. P. Dezalay, M. Boer, T. Cline, J. Braga, R. Manchanda, G. Pizzichini, A. Levine, E. Morgan, N. Butler, T. Kotani, J. Kotoku, K. Torii, Y. Urata, M. Arimoto, N. Ishikawa, A. Kobayashi, M. Maeto, T. Shimokawabe, S. Sugita, K. Tanaka, M. Yamauchi

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution


HETE-2 (High Energy Transient Explorer-2) has made remarkable observations of gamma-ray bursts (GRBs) since HETE-2 was launched in October, 2000. HETE-2 can perform the prompt notification of gamma-ray bursts with onboard computer and ground receiving system. The concept of data processing system of HETE-2 is contrived to follow a short bursting astronomical objects such as gamma-ray bursts. HETE-2 is the first small satellite which has achieved a prompt alert system of gamma-ray burst locations calculated by onboard computer. Thus researchers of gamma-ray bursts can access the accurate location of bursts observed with HETE-2 through internet. HETE-2 has observed many gamma-ray bursts alerted their locations; i.e., a few to several bursts every month. Thus, optical, radio and X-ray observatories have made follow-up observations promptly. As a result a considerable number of optical transients are discovered and then their detailed observations are made. In this paper we report a unique concept of HETE-2, a gamma-ray observation satellite and some remarkable results obtained by HETE-2.

Original languageEnglish
Title of host publicationInternational Astronautical Federation - 56th International Astronautical Congress 2005
Number of pages7
Publication statusPublished - 2005
Externally publishedYes
EventInternational Astronautical Federation - 56th International Astronautical Congress 2005 - Fukuoka
Duration: 2005 Oct 172005 Oct 21


OtherInternational Astronautical Federation - 56th International Astronautical Congress 2005

ASJC Scopus subject areas

  • Space and Planetary Science
  • Aerospace Engineering


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