Calibration of the Rossi X-Ray Timing Explorer Proportional Counter Array
Calibration of the Rossi X-Ray Timing Explorer Proportional Counter Array
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DOI：
10.1086/500659
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发表时间：
2005-11
期刊：
影响因子：
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通讯作者：
K. Jahoda;C. Markwardt;Y. Radeva;A. Rots;M. Stark;J. Swank;T. Strohmayer;Will Zhang
中科院分区：
文献类型：
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作者：
K. Jahoda;C. Markwardt;Y. Radeva;A. Rots;M. Stark;J. Swank;T. Strohmayer;Will Zhang
我们提出的校准和背景模型的比例计数器阵列上的罗西X射线定时探测器。能量校准是系统的限制低于10千电子伏，与蟹状星云加脉冲星的幂律拟合偏差小于1%。未建模的变化，在仪器的背景金额小于2%的观察到的背景低于10千电子伏和小于1%之间的10和20千电子伏。在使命期间，单个光子的到达时间一直精确到4.4 μs，1997年4月29日之后精确到2.5 μs。已知五个准直器的峰值指向方向的精度为几弧秒。
We present the calibration and background model for the Proportional Counter Array on board the Rossi X-Ray Timing Explorer. The energy calibration is systematics-limited below 10 keV, with deviations from a power-law fit to the Crab Nebula plus pulsar of less than 1%. Unmodeled variations in the instrumental background amount to less than 2% of the observed background below 10 keV and less than 1% between 10 and 20 keV. Individual photon arrival times are accurate to 4.4 μs at all times during the mission and to 2.5 μs after 1997 April 29. The peak pointing direction of the five collimators is known to a precision of a few arcseconds.