论文标题

Nustar低能效果区域校正由于热毯撕裂而引起的

NuSTAR low energy effective area correction due to thermal blanket tear

论文作者

Madsen, Kristin K., Grefenstette, Brian W., Pike, Sean, Miyasaka, Hiromasa, Brightman, Murray, Forster, Karl, Harrison, Fiona A.

论文摘要

在OMA出口孔径的MLI中,与检测器局灶平面模块FPMA对齐的Nustar光学元件导致通过OMA的光子通量增加,这已经表现为低能量过量。总体而言,MLI覆盖范围降低了10%,但还有一个额外的时变组成部分,偶尔会导致开放量增加20%。我们通过校准更新解决了问题,在本文中,我们描述了问题的属性,对数据分析的含义以及解决方案。

A rip in the MLI at the exit aperture of OMA, the NuSTAR optic aligned with detector focal plane module FPMA, has resulted in an increased photon flux through OMA that has manifested itself as a low energy excess. Overall, the MLI coverage has decreased by 10%, but there is an additional time-varying component, which occasionally causes the opening to increase by up to 20%. We address the problem with a calibration update, and in this paper, we describe the attributes of the problem, the implications it has on data analysis, and the solution.

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