Microlensing of the X-ray emitting region in active galactic nuclei

Details Microlensing of the X-ray emitting region in active galactic nuclei Microlensing of the X-ray emitting region in active galactic nuclei

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006pobeo..80...85j&link_type=abstract

Publications of the Astronomical Observatory of Belgrade, Vol. 80, p. 85-89

Astronomy and Astrophysics

Astronomy

Scientific paper

We studied the effects of microlensing on X-ray radiation from a relativistic accretion disk around central Black Hole of Active Galactic Nuclei. To analyze the disk emission we used the ray-tracing method considering both Schwarzschild and Kerr metrics. Two types of microlenses were considered: straight fold caustic and microlensing magnification map. We concentrated our attention on studying the correlation between the X-ray continuum and Fe Kα spectral line due to microlensing. Our results show that enhancements of the Fe Kα line in three recently observed gravitationally lensed QSOs (MG J0414+0534, QSO 2237+0305, H1413+117) could be interpreted in terms of microlensing, even if an equivalent X-ray continuum amplification is not observed.

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