J. Osborne, P. O’Brien, P. Evans, G. Fraser, A. Martindale, J. Atteia, B. Cordier, S. Mereghetti
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引用次数: 1
摘要
小型任务a- star (All-Sky Transient Astrophysics Reporter)旨在定位与ALIGO和其他引力波探测器源对应的x射线，研究人们知之甚少的低光度伽马射线暴，并寻找各种各样的瞬态高能源类型，a- star将每24小时对整个可用天空进行两次调查。有效载荷包括一个编码掩模仪器Owl，工作在新颖的低能量波段4-150 keV，以及一个灵敏的宽视场聚焦软x射线仪器Lobster，工作在0.15-5 keV。A-STAR每年将触发约100次grb，迅速分布它们的位置。
A-STAR: THE ALL-SKY TRANSIENT ASTROPHYSICS REPORTER
The small mission A-STAR (All-Sky Transient Astrophysics Reporter) aims to locate the X-ray counterparts to ALIGO and other gravitational wave detector sources, to study the poorly-understood low luminosity gamma-ray bursts, and to find a wide variety of transient high-energy source types, A-STAR will survey the entire available sky twice per 24 hours. The payload consists of a coded mask instrument, Owl, operating in the novel low energy band 4-150 keV, and a sensitive wide-field focussing soft X-ray instrument, Lobster, working over 0.15-5 keV. A-STAR will trigger on ~100 GRBs/yr, rapidly distributing their locations.
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