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Can gravitational microlensing be used to probe geometry of a massive black-hole?

Published online by Cambridge University Press:  01 August 2006

Luka Č Popović  and
Predrag Jovanović
Luka Č Popović
Affiliation:
Astronomical Observatory, Volgina 7, 11160 Belgrade, Serbia email: lpopovic@aob.bg.ac.yu
Predrag Jovanović
Affiliation:
Astronomical Observatory, Volgina 7, 11160 Belgrade, Serbia email: lpopovic@aob.bg.ac.yu
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Abstract

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Here we discuss the possibility to use gravitational microlensing in order to probe the geometry around a massive black hole. Taking into account that lensed quasars are emitting X-rays which come from the heart of these objects, we investigated the influence of microlensing on the Fe Kα line shape originated in Schwarzschild and Kerr metrics.

Keywords

Accretionaccretion disks – gravitational lensing – galaxies: active
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S238: Black Holes from Stars to Galaxies – Across the Range of Masses , August 2006 , pp. 431 - 432
Copyright
Copyright © International Astronomical Union 2007

References

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Popović, L. Č., Jovanović, P., Mediavilla, E. et al. 2006, ApJ, 637, 620CrossRefGoogle Scholar
Popović, L. Č., Mediavilla, E. G., Jovanović, P. & Munoz, J. A. 2003, A&A, 398, 975Google Scholar