High energy γ-ray emission from the starburst nucleus of NGC 253

被引：95
|
作者：
Domingo-Santamaría, E
Torres, DF
机构：
[1] Inst Fis Altes Energies, Bellaterra 08193, Spain
[2] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
来源：
ASTRONOMY & ASTROPHYSICS | 2005年 / 444卷 / 02期
关键词：
ISM : cosmic rays; galaxies : starburst; galaxies : individual : NGC 253;
D O I：
10.1051/0004-6361:20053613
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Both the high density medium that characterizes the central regions of starburst galaxies and its power to accelerate particles up to relativistic energies make these objects good candidates for gamma-ray sources. In this paper we present a self-consistent model of the multifrequency emission of the starburst galaxy NGC 253 from radio to gamma-rays. The model agrees with all current measurements and provides predictions for the high energy behavior of the NGC 253 central region. In particular, we discuss prospects for observations with the HESS array (and comparison with their recently obtained data) and GLAST satellite.
引用
收藏
页码：403 / U73
页数：18
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