Cosmic Rays and Nonthermal Radiation in Middle-Aged Supernova Remnants

被引：4
|
作者：
Zirakashvili, V. N. [1 ]
Ptuskin, V. S. [1 ]
机构：
[1] Russian Acad Sci, Pushkov Inst Terr Magnetism Ionosphere & Radio Wa, Troitsk 108840, Moscow Oblast, Russia
来源：
ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS | 2018年 / 44卷 / 12期
基金：
俄罗斯基础研究基金会;
关键词：
supernova remnants; interstellar medium; cosmic rays; gamma rays; DIFFUSIVE SHOCK ACCELERATION; STREAMING INSTABILITY; AMPLIFICATION; SIMULATIONS; EMISSION; W28; W44;
D O I：
10.1134/S1063773718120071
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A nonlinear model of cosmic-ray acceleration at the shock fronts in the supernova remnants W28, W44, and IC433 is investigated. The hydrodynamic evolution of a supernova remnant, including the shock modification by the pressure of accelerated particles and the streaming instability of particles upstream of the shock propagating in a partially ionized interstellar gas, is modeled. The electromagnetic radiation generated by accelerated particles is calculated and compared with observations in a wide range of photon energies.
引用
收藏
页码：769 / 776
页数：8
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