蟹状星云脉冲星和星云的费米大面阵望远镜光谱分析
Spectral Analysis of the Crab Pulsar and Nebula with the Fermi Large Area Telescope
摘要：
蟹状星云脉冲星是一颗相对年轻的中子星。这颗脉冲星是蟹状星云的中心恒星，蟹状星云是超新星SN 1054的残骸，于1054年在地球上被观测到。蟹状星云脉冲星在最初几个月的数据采集期间，被费米伽马射线太空望远镜上的主要仪器--大面积望远镜（LAT）在伽马射线能带中广泛观测。LAT数据已被用来重建的流量和能量谱的脉冲伽马射线成分和伽马射线从星云。脉冲分量的结果与EGRET以前的测量结果非常一致，而星云的结果与地球望远镜的观测结果一致。
英文摘要：
The Crab Pulsar is a relatively young neutron star. The pulsar is the central star in the Crab Nebula, a remnant of the supernova SN 1054, which was observed on Earth in the year 1054. The Crab Pulsar has been extensively observed in the gamma-ray energy band by the Large Area Telescope (LAT), the main instrument onboard the Fermi Gamma-ray Space Telescope, during its first months of data taking. The LAT data have been used to reconstruct the fluxes and the energy spectra of the pulsed gamma-ray component and of the gamma-rays from the nebula. The results on the pulsed component are in good agreement with the previous measurement from EGRET, while the results on the nebula are consistent with the observations from Earth based telescopes.
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