Physics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010fym..confp..69k&link_type=abstract
"The First Year of MAXI: Monitoring Variable X-ray Sources", Poster Presentations, 4th International MAXI Workshop held November
Physics
Scientific paper
We present a new design of coded-mask CCD camera optimized for the International Space Station (ISS). With 2-dimensional mask, it will localize an X-ray source with a spatial resolution of arc-seconds. A unit camera has a square field of view (FoV) of 60° × 60°, of which a CCD pixel sees only a fraction, to reduce the contamination by nearby bright sources. The combination of such three cameras can cover a celestial semicircle between the two orbital poles and thus scan all the sky in one orbital period, as long as the cameras are turned on. Two CCD-driving modes are possible; the synchronized mode, where pixel charges are transferred to cancel the orbital motion of the ISS, and the normal mode, where an X-ray star leaves its trail in CCD images due to the orbital motion, and the position resolution is therefore limited. The status of the development of a coded-mask CCD camera (not optimized for the ISS) at Aoyama Gakuin Univ. is also reported.
Iguchi Tomohiko
Kato Takuya
Kotani Taro
Sako Shigeyuki
Shiraki
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