Gamma ray astrophysics: the EGRET results

被引：64

作者：

Thompson, D. J. ^{[1
]}

机构：

[1] NASA, Goddard Space Flight Ctr, Astrophys Sci Div, Greenbelt, MD 20771 USA

来源：

REPORTS ON PROGRESS IN PHYSICS | 2008年 / 71卷 / 11期

关键词：

D O I：

10.1088/0034-4885/71/11/116901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Cosmic gamma rays provide insight into some of the most dynamic processes in the Universe. At the dawn of a new generation of gamma-ray telescopes, this review summarizes results from the Energetic Gamma Ray Experiment Telescope (EGRET) on the Compton Gamma Ray Observatory, the principal predecessor mission studying high-energy photons in the 100 MeV energy range. EGRET viewed a gamma-ray sky dominated by prominent emission from the Milky Way, but featuring an array of other sources, including quasars, pulsars, gamma-ray bursts and many sources that remain unidentified. A central feature of the EGRET results was the high degree of variability seen in many gamma-ray sources, indicative of the powerful forces at work in objects visible to gamma-ray telescopes.

引用

页数：23

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