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Suzaku Studies of the Supernova Remnant CTB~109 Hosting the Magnetar 1E~2259+586
Toshio Nakano, Hiroaki Murakami, Junoko S. Hiraga +3
Ages of the magnetar 1E 2259+586 and the associated supernova remnant CTB~109 were studied. Analyzing the Suzaku data of CTB~109, its age was estimated to be 14~kyr, which is…
A Study of Active Shielding Optimized for 1-80 keV Wide-Band X-ray Detector in Space
Yoshihiro Furuta, Yuki Murota, Junko S. Hiraga +3
Active shielding is an effective technique to reduce background signals in hard X-ray detectors and to enable observing darker sources with high sensitivity in space. Usually the m…
Discovery of a 36 ks Phase Modulation in the Hard X-ray Pulses from the Magnetar 1E 1547.05408
Kazuo Makishima, Teruaki Enoto, Hiroaki Murakami +4
The Suzaku data of the highly variable magnetar 1E 1547.05408, obtained during the 2009 January activity, were reanalyzed. The 2.07 s pulsation of the 15--40 keV emission detect…