Influence of gravitational microlensing on broad absorption lines of QSOs: The case of the Fe K$α$ line

Details Influence of gravitational microlensing on broad absorption lines of QSOs: The case of the Fe K$α$ line Influence of gravitational microlensing on broad absorption lines of QSOs: The case of the Fe K$α$ line

2009-09-29

arxiv.org/abs/0909.5423v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

7 pages, 5 figures. Accepted for publication in New Astron. Rev. (Procceedings of the 7th Serbian Conference on Spectral Line

Scientific paper

10.1016/j.newar.2009.07.008

Here we give a brief overview of some investigations of the gravitational microlensing influence on broad absorption spectral lines of lensed QSOs. Especially, we consider the microlensing influence on the Fe K$\alpha$ broad absorption lines using a model of an accretion disk covered by an absorption region. Gravitational microlensing is modeled by ray shooting method which enables us to obtain realistic microlensing patterns. We obtain that microlensing can affect both emission and absorption component of line that depends on dimensions on emission and absorption line regions. Here we give detailed analysis of emission and absorption line shape variations due to gravitational microlensing.

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