A puzzle of the radio-quiet quasar PG 1407+265: Are optical and X-ray emissions produced from a relativistic jet?

A puzzle of the radio-quiet quasar PG 1407+265: Are optical and X-ray emissions produced from a relativistic jet?
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射电安静类星体 PG 1407 265 的谜题:光学和 X 射线发射是由相对论性喷流产生的吗?

DOI:
10.1007/s11433-010-4153-4
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发表时间:
2010-06
期刊:
ScChG
影响因子:
--
通讯作者:
Bai, Jinming
Bai, Jinming
中科院分区:
其他
文献类型:
--
作者:
Chen, Liang;Bai, Jinming

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PG 1407+265是一个具有相对论性喷流的射电安静类星体。在本报告中,我们展示了它的光学和x射线发射的一些特殊性质,这表明可能的非热起源产生的射流。我们使用一个简单的同步加速器+同步加速器自康普顿(SSC)模型来拟合磁场和电子之间不同能量密度比(η≡UB/Ue)的发射,该模型预测了不同的γ射线光度。第一个LAT AGN目录(1LAC)没有包括PG 1407+265,这表明了γ射线亮度的上限。该上限将比率限制为不合理的大(η大于或等于104-5)。相反,这表明光学和x射线发射可能不是由光束射流产生的。我们讨论了这些结果的物理含义。
PG 1407+265 is a radio quiet quasar that has a relativistic jet. In this report, we show some peculiar properties of its optical and X-ray emissions, which indicate possible non-thermal origins produced from the jet. We use a simple synchrotron + synchrotron self Compton (SSC) model to fit the emissions with different ratios of energy densities between the magnetic field and electrons (η≡UB/Ue), which predicts a different γ-ray luminosity. The First LAT AGN Catalog (1LAC) did not include PG 1407+265, which indicates an upper limit of γ-ray luminosity. This upper limit constrains the ratio to be unreasonably large (η⩾104–5). This inversely indicates that the optical and X-ray emissions may not be produced from the beaming jet. We discuss the physical implications of these results.
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