A view of supernova remnant CTB 37A with the Fermi Gamma-ray Space Telescope

被引:13
作者
Brandt, T. J. [1 ]
机构
[1] IRAP CNRS 9, F-31028 Toulouse 4, France
关键词
CTB; 37A; Supernova remnants; Gamma-rays; Cosmic rays; LARGE-AREA TELESCOPE; CATALOG; EMISSION;
D O I
10.1016/j.asr.2011.07.021
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
Supernovae and their remnants have long been favored as cosmic ray accelerators. Recent data from the Fermi Gamma-ray Space Telescope has given us an improved window into such sources, including the remnant CTB 37A. Using the Fermi Large Area Telescope, we found significant gamma-ray emission coincident with the remnant, which also emits in radio, X-ray, and very high energy gamma-rays. We modeled the multiwavelength spectrum using a combination of hadronic and leptonic emission with reasonable parameter values and determined that CTB 37A is a potential cosmic ray accelerator commensurate with direct observations. By assembling statistically significant populations of such objects, we will be able to more fully illuminate the mystery of cosmic ray origins. (c) 2011 Published by Elsevier Ltd. on behalf of COSPAR.
引用
收藏
页码:247 / 252
页数:6
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