In-flight calibration of the Insight-Hard X-ray Modulation Telescope

In-flight calibration of the Insight-Hard X-ray Modulation Telescope
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Insight-Hard X 射线调制望远镜的飞行中校准

DOI:
10.1016/j.jheap.2020.02.009
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发表时间:
2020-03
期刊:
JHEAp
影响因子:
--
通讯作者:
Li XiaoBo et al.
Li XiaoBo et al.
中科院分区:
其他
文献类型:
--
作者:
Li XiaoBo et al.

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本文介绍了透视-硬X射线调制望远镜(Insight-HXMT)X射线卫星的定标,该卫星可用于明亮X射线源的定时和光谱研究,其上搭载了三个主要有效载荷:高能X射线望远镜(HE)、中能X射线望远镜(ME)和低能X射线望远镜(LE)。在轨道上,利用放射源、活化谱线、荧光谱线和天体源标定有效载荷的能标和能量分辨率。采用蟹状星云作为有效面积定标器,分别构造经验函数对有效面积进行修正。与蟹状星云模型相比,在28-120 keV能量范围内,HE的系统误差小于2%,在120 keV以上,HE的系统误差为2%-10%。在10-35 keV能量范围内,系统误差小于1.5%。LE的系统误差在1-7 keV范围内小于1%(Si K边为1.839keV,最大误差为1.5%),在7-10 keV范围内小于2%。
We present the calibration of theInsight-Hard X-ray Modulation Telescope(Insight-HXMT) X-ray satellite, which can be used to perform timing and spectral studies of bright X-ray sources.Insight-HXMTcarries three main payloads onboard: the High Energy X-ray telescope (HE), the Medium Energy X-ray telescope (ME) and the low Energy X-ray telescope (LE). In orbit, the radioactive sources, activated lines, the fluorescence lines and celestial sources are used to calibrate the energy scale and energy resolution of the payloads. The Crab nebular is adopted as the primary effective area calibrator and empirical functions are constructed to modify the simulated effective areas of the three payloads respectively. The systematic errors of HE, compared to the model of the Crab nebular, are less than 2% in 28–120 keV and 2%–10% above 120 keV. The systematic errors of ME are less than 1.5% in 10–35 keV. The systematic errors of LE are less than 1% in 1–7 keV except the Si K–edge (1.839 keV, up to 1.5%) and less than 2% in 7–10 keV.
DOI: 10.1063/1.3431009
发表时间: 2010-06
影响因子: 3.2
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影响因子: 3.8
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发表时间: 2015-04
期刊: The Astrophysical Journal Supplement Series
影响因子: --
作者:
K. Madsen;F. Harrison;C. Markwardt;H. An;B. Grefenstette;M. Bachetti;H. Miyasaka;T. Kitaguchi;V. Bhalerao;S. Boggs;F. Christensen;W. Craig;K. Forster;F. Fuerst;C. Hailey;M. Perri;S. Puccetti;V. Rana;D. Stern;D. Walton;N. Westergaard;Will Zhang
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影响因子: 1.4
作者:
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