Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008mgm..conf.1725z&link_type=abstract
"THE ELEVENTH MARCEL GROSSMANN MEETING On Recent Developments in Theoretical and Experimental General Relativity, Gravitation an
Astronomy and Astrophysics
Astronomy
Scientific paper
Based on ray-shooting method we simulate Fe Kα line profiles discovered in microquasars and Seyfert galaxies. Using narrow disk model for the emission line we describe transformations of characteristic two-peak profiles into one-peak profiles. In 2007 radio telescope Radioastron will be launched at a high elliptical orbit and it will be used as a space dish for VLBI observations with space-ground base. This interferometer will have extraordinary angular resolution (10-6 as). We discuss a procedure to measure masses, charges and spins analyzing these forms of mirages (shadows). Actually, that is a manifestation of gravitational lens effect in the strong gravitational field near black hole horizon.
de Paolis Francesco
Ingrosso Gabriele
Nucita Achille A.
Zakharov Alexander F.
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