Computer Science
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010fym..confp..65e&link_type=abstract
"The First Year of MAXI: Monitoring Variable X-ray Sources", Poster Presentations, 4th International MAXI Workshop held November
Computer Science
Scientific paper
Polarimetry in the hard X-ray and soft gamma-ray band plays a crucial role in the understanding of mechanism of the particle acceleration and the high-energy emission in Gamma-Ray Bursts (GRB). TSUBAME is a university-built small satellite mission to measure polarization of hard X-ray photons (30-100 keV) from prompt emission of GRB. TSUBAME has two instruments: the Wide-field Burst Monitor (WBM) and the Hard X-ray Compton Polarimeter (HXCP). The WBM is always monitoring half sky and determines the positions of gamma-ray transients with an accuracy of +/- 15 deg. When a GRB is detected, the onboard CPU calculates the coordinate and then the satellite slews rapidly using the Control Moment Gyro (CMG). Thanks to the high speed attitude control system, TSUBAME can start polarimetry observation earlier than 15 s from the trigger. We are now developing the engineering model of two detectors, HXCP and WBM. We present the science mission of TSUBAME and developmental status of two detectors in this poster.
Enomoto Toshiteru
Kataoka Jun
Kawai Nobuyuki
Kawakami Kazuyuki
Kubo Shin
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