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arXiv 1802.10296astro-ph.HE
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有外流时随时间变化的二分量平流的图象和谱

Images and Spectra of Time Dependent Two Component Advective Flow in Presence of Outflows

Arka Chatterjee, Sandip K. Chakrabarti, Himadri Ghosh, Sudip K. Garain

摘要:

双分量平流(TCAF)理论成功地解释了爆发源或持续源的光谱和时间特性。由于光子的引力弯曲,有康普顿云或离心压力支持的边界层(CENBOL)的静态TCAF图像以前已经被研究过。本文研究了Schwarzschild黑洞周围平流流的时间相关图像,其中包括由于来自Keplerian盘的软光子的康普顿化以及自洽产生的喷流和流出的冷却效应。我们显示了一个典型的波束宽度卷积后的磁盘喷射系统的整体图像。含时系统的长曝光图像不需要显著地显示黑洞视界,除非观察的是没有喷流的软态或沿喷流轴的系统。假设这些盘状喷流结构也与射电发射系统有关,我们的结果将有助于寻找Seyfert星系、RL类星体中高吸积率超大质量黑洞事件视界。

英文摘要:

Two Component Advective Flow (TCAF) successfully explains the spectral and tem- poral properties of outbursting or persistent sources. Images of static TCAF with Compton cloud or CENtrifugal pressure supported Boundary Layer (CENBOL) due to gravitational bending of photons have been studied before. In this paper, we study time dependent images of advective flows around a Schwarzschild black hole which include cooling effects due to Comptonization of soft photons from a Keplerian disks well as the self-consistently produced jets and outflows. We show the overall image of the disk-jet system after convolving with a typical beamwidth. A long exposure image with time dependent system need not show the black hole horizon conspicuously, un- less one is looking at a soft state with no jet or the system along the jet axis. Assuming these disk-jet configurations are relevant to radio emitting systems also, our results would be useful to look for event horizons in high accretion rate Supermassive Black Holes in Seyfert galaxies, RL Quasars.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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