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Magnetar SGR 1900+14 as a Potential Source of Galactic Cosmic Rays with Energies Above 10 20 eV
Kinematics and Physics of Celestial Bodies ( IF 0.5 ) Pub Date : 2018-08-30 , DOI: 10.3103/s0884591318040037
R. B. Gnatyk

Abstract

The analysis of the influence of the Galactic magnetic field on the trajectory of cosmic rays of extremely high energies (EHECR, E > 1020 eV) detected by Auger and Telescope Array (TA) detectors shows that the magnetar SGR 1900+14 is a potential Galactic source of the EHECR triplet – three events in a circle of radius 2° in the vicinity of the Galactic Center (l = 35°, b = –4°). Magnetar SGR 1900+14 – a neutron star with magnetic field of the order of 1015 G – was formed as a result of the Supernova outburst 1000…6000 years ago. In our work we investigate possible manifestations of cosmic rays accelerated by the Supernova remnant’s shock, due to their interaction with the molecular clouds of the interstellar medium in the vicinity of Supernova. In particular, the possibility of such a gamma-ray emission model of the newly discovered unidentified TeV gamma-ray source 2HWC J1907+084 is analyzed.


中文翻译:

磁能SGR 1900 + 14作为能量超过10 20 eV的银河宇宙射线的潜在来源

摘要

通过俄歇和望远镜阵列(TA)探测器检测到的银河磁场对极高能量(EHECR,E > 10 20 eV)宇宙射线轨迹的影响分析表明,SGR 1900 + 14磁星是一种潜在的EHECR三重态的银河源–在银河中心附近半径2°的圆中发生了三个事件(l = 35°,b = –4°)。磁星SGR 1900 + 14 –磁场约为10 15的中子星G –是由1000到6000年前的超新星爆发形成的。在我们的工作中,我们研究了由于超新星残余物与超新星附近的星际介质分子云之间的相互作用而受到超新星残余冲击加速的宇宙射线的可能表现形式。特别地,分析了新发现的未识别的TeV伽马射线源2HWC J1907 + 084的这种伽马射线发射模型的可能性。
更新日期:2018-08-30
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