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

页码：769 / 776

页数：8

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