A systematic comparison of ionization temperatures between ionizing and recombining plasmas in supernova remnants
A systematic comparison of ionization temperatures between ionizing and recombining plasmas in supernova remnants
复制标题
超新星遗迹中电离和重组等离子体之间的电离温度的系统比较
DOI:
10.1093/pasj/psab033
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发表时间:
2021
影响因子:
2.3
通讯作者:
Katsuji
中科院分区:
文献类型:
--
作者:
Yamauchi;Shigeo; Nobukawa;Masayoshi; Koyama;Katsuji
The temperatures of the plasma in supernova remnants (SNRs) are initially very low just after the shock heating. The electron temperature (kTe) increases quickly by Coulomb interaction, and then the energetic electrons gradually ionize atoms to increase the ionization temperature (kTi). The observational fact is that most young and middle-to-old SNRs have lowerkTithankTeafter the shock heating. The temperature evolution in shell-like SNRs has been explained by this ionizing plasma (IP) scenario. On the other hand, in the last decade, a significant fraction of mixed-morphology SNRs was found to exhibit a recombining plasma (RP) with higherkTithankTe. The origin and the evolution mechanism of RP SNRs have been puzzling. To address this puzzle, this paper presentskTeandkTiprofiles using follow-up Suzaku observations, and then proposes a new scenario for the temperature and morphology evolution in IP and RP SNRs.
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影响因子:
2.3
作者:
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2.3
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2.3
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影响因子:
2.3
作者:
H. Uchiyama;M. Nobukawa;T. Tsuru;K. Koyama
通讯作者:
H. Uchiyama;M. Nobukawa;T. Tsuru;K. Koyama