Observation constraints of the hard X-ray modulation telescope HXMT

Observation constraints of the hard X-ray modulation telescope HXMT
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硬X射线调制望远镜HXMT的观测约束

DOI:
10.1007/s11433-010-0028-y
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发表时间:
2010-05
期刊:
Science China Physics, Mechanics and Astronomy
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其他
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硬X射线调制望远镜HXMT是一台低轨道X射线空间望远镜,其主要科学目标是完成硬X射线全天巡天,研究X射线源的时间和光谱特性。HXMT拥有三种科学仪器:高能X射线探测器(HE)、中能X射线探测器(ME)和低能X射线探测器(LE)。HXMT观测计划是实现HXMT科学目标的关键,观测约束分析是制定观测计划的首要任务之一。分析了观测约束对天空可见度和X射线源可见时间分布的影响,讨论了考虑观测约束的调度策略。
The hard X-ray modulation telescope HXMT is a low orbit X-ray space telescope whose main science goals are to accomplish a hard X-ray all sky survey and to study timing and spectral characteristics of X-ray sources. HXMT has three kinds of science instruments: the high energy X-ray detector (HE), the medium energy X-ray detector (ME) and the low energy X-ray detector (LE). The observation schedule of HXMT is a key to achieving the science goal of HXMT, and the analysis of the observation constraints is one of the first tasks in making the observation schedule. This paper analyzes how the observation constraints influence the sky visibility and the visible time distribution of X-ray sources and discusses the schedule strategy with regard to the observation constraints.
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