| Project/Area Number |
08044103
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| Research Category |
Grant-in-Aid for international Scientific Research
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| Allocation Type | Single-year Grants |
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| Section | Joint Research |
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| Research Field |
Astronomy
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| Research Institution | The Institute of Space and Astronautical Science |
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Principal Investigator |
NAGASE Fumiaki The Institute of Space and Astronautical Science, PLAIN Center, Professor, 宇宙科学企画情報解析センター, 教授 (00022690)
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| Co-Investigator(Kenkyū-buntansha) |
TANAKA Yasuo Max Plank Institute, Visiting Professor, 客員教授 (10022534)
ISHIDA Manabu The Institute of Space and Astronautical Science, High energy Astrophysics, Rese, 宇宙圏研究系, 助手 (20249931)
TAKAHASHI Tadayiki The Institute of Space and Astronautical Science, High energy Astrophysics, Asso, 宇宙圏研究系, 助教授 (50183851)
MITSUDA Kazuhisa The Institute of Space and Astronautical Science, High energy Astrophysics, Asso, 宇宙圏研究系, 助教授 (80183961)
INOUE Hajime The Institute of Space and Astronautical Science, High energy Astrophysics, Prof, 宇宙圏研究系, 教授 (40092142)
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| Project Period (FY) |
1996 – 1998
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| Keywords | X-ray Astronomy / X-ray Telescope / X-ray Binaries / Neutron Stars / Black Hole / Supernova Remnants / Active galactic Nuclei / Cosmic X-ray Background |
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| Research Abstract |
The purpose of this project is to perform observations and operations of ASCA in a collaboration between Japan and the United States of America, and to obtain scientific results from the X-ray observations on the X-ray binaries including compact objects, supernova remnants, active galactic nuclei, clusters of galaxies and the cosmic X-ray background. ASCA is the fourth Japanese X-ray satellite which was constructed in a collaboration between Japan and the U.S.A., and it was launched on February 20, 1993. The results of this project are summarized below :
(1)We had national meetings and Japan-U.S.A.international meetings every year to select observation targets from the proposals, and discuss the organization of observation and operation of the satellite.
(2)We examined the performance of the instruments onboard the satellite and provided the calibration database of the response of the instruments, including a time-dependent degradation of the performance of instruments.
(3)We continuosly updated various software programs for data analysis, and produced an archival database for the convenience of international users.
(4)We analyzed data from our own observations, and discussed the results with our partner country. These scientific results were presented at the international conferences and were published in academic journals.
(5)All of the archival data were released to the scientists around the world with well-organized formats when the period of exclusive use by the owners expired.
Because of the support by this grant-in-aid, we were able to perform well the ASCA observations and operations under the collaboration between Japan and the U.S.A.We obtained remarkable scientific results from the ASCA observations in various fields of X-ray astronomy.
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