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Influence of microlensing on the active galactic nucleus Fe Kα line

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We have studied the influence of gravitational microlensing on the Fe Kα line originating from a compact accretion disc of active galactic nuclei. We found that microlensing can produce line profile deformation as well as a significant amplification of the line flux. The line deformation and line flux amplification depend not only on the parameters of the microlens but also on the disc parameters.
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Keywords: Gravitational microlensing; Quasars; Spectral line; X-rays

Document Type: Research Article

Affiliations: 1: Astronomical Observatory Volgina 7 11160 Belgrad Serbia 2: Instituto de Astrofísica de Canarias E-382005 La Laguna Tenerife Spain

Publication date: 2003-08-01

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