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arXiv · 1410.7537

Are broad optical balmer lines from central accretion disk in PG 1613+658?

XueGuang Zhang
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Abstract

In this letter, we report positive correlations between broad line width and broad line flux for the broad balmer lines of the long-term observed AGN PG 1613+658. Rather than the expected negative correlations under the widely accepted virialization assumption for AGN BLRs, the positive correlations indicate much different BLR structures of PG 1613+658 from the commonly considered BLR structures which are dominated by the equilibrium between radiation pressure and gas pressure. Therefore, accretion disk origin is preferred for the observed broad single-peaked optical balmer lines of PG 1613+658, because of the mainly gravity dominated disk-like BLRs with radial structures having few effects from radiation pressure.

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XueGuang Zhang. 2014-10-28. Are broad optical balmer lines from central accretion disk in PG 1613+658?. https://doi.org/10.1093/mnrasl/slu172

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