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Extreme Warm Absorber variability in the Seyfert Galaxy Mrk 704
Giorgio Matt, Stefano Bianchi, Matteo Guainazzi +8
In about half of Seyfert galaxies, the X-ray emission is absorbed by an optically thin, ionized medium, the so-called "Warm Absorber", whose origin and location is still a matter o…
POLARIX: a pathfinder mission of X-ray polarimetry
Enrico Costa, Ronaldo Bellazzini, Gianpiero Tagliaferri +30
Since the birth of X-ray astronomy, spectral, spatial and timing observation improved dramatically, procuring a wealth of information on the majority of the classes of the celestia…
Light bending scenario for accreting black holes in X-ray polarimetry
M. Dovciak, F. Muleri, R. W. Goosmann +2
We discuss a model of an X-ray illuminating source above an accretion disk of a rotating black hole. Within the so called lamp-post scheme we compute the expected (observed) polari…