静止太阳辐射的Fermi-LAT观测
Fermi-LAT Observation of Quiescent Solar Emission
摘要：
大面积望远镜（LAT）是费米伽马射线太空望远镜上的两个仪器之一，是一个对转换探测器，旨在研究能量范围为30 MeV至300 GeV的伽马射线天空。费米探测到了来自平静太阳的高能伽马射线，这些射线是宇宙射线核子与太阳表面相互作用产生的，宇宙射线电子与日光层中的太阳光子相互作用产生的。虽然EGRET在CGRO上以低统计数据探测到太阳，但费米每天都提供高质量的探测，允许解决可变性。这种观测将提供对太阳表面附近极端条件的探测，并监测日光层内部宇宙射线的调制。我们讨论了静态太阳辐射的研究，包括光谱分析的两个组成部分，磁盘和逆康普顿。
英文摘要：
The Large Area Telescope (LAT), one of two instruments on the Fermi Gamma-ray Space Telescope is a pair-conversion detector designed to study the gamma-ray sky in the energy range 30 MeV to 300 GeV. Fermi has detected high-energy gamma rays from the quiet Sun produced by interactions of cosmic-ray nucleons with the solar surface, and cosmic-ray electrons with solar photons in the heliosphere. While the Sun was detected by EGRET on CGRO with low statistics, Fermi provides high-quality detections on a daily basis allowing variability to be addressed. Such observations will provide a probe of the extreme conditions near the solar surface and a monitor the modulation of cosmic rays over the inner heliosphere. We discuss the study of the quiescent solar emission including spectral analysis of its two components, disk and inverse Compton.
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