On the narrow spectral feature at ∼3 TeV in the MAGIC spectrum of Mrk 501
On the narrow spectral feature at ∼3 TeV in the MAGIC spectrum of Mrk 501
复制标题
关于 Mrk 501 MAGIC 光谱中 ∼3 TeV 的窄光谱特征
DOI：
10.1093/mnras/stab2442
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发表时间：
2021
影响因子：
4.8
通讯作者：
Yan Dahai
中科院分区：
文献类型：
--
作者：
Hu Wen;Yan Dahai
Using a time-dependent one-zone leptonic model that incorporates both shock acceleration and stochastic acceleration processes, we investigate the formation of the narrow spectral feature at ∼3 TeV of Mrk 501 which was observed during the X-ray and TeV flaring activity in 2014 July. It is found that the broad-band spectral energy distribution (SED) can be well interpreted as the synchrotron and synchrotron-self-Compton emission from the electron energy distribution (EED) that is composed by a power-law (PL) branch and a pileup branch. The PL branch produces synchrotron photons which are scattered by the electrons of the pileup branch via inverse-Compton scattering and form the narrow spectral feature observed at the TeV energies. The EED is produced by two injection episodes, and the pileup branch in EED is caused by shock acceleration rather than stochastic acceleration.
