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X-ray polarization fluctuations induced by cloud eclipses in active galactic nuclei
- 1.0438422 - ASÚ 2016 RIV US eng J - Journal Article
Marin, Frederic - Dovčiak, Michal
X-ray polarization fluctuations induced by cloud eclipses in active galactic nuclei.
Astronomy & Astrophysics. Roč. 573, January (2015), A60/1-A60/8. ISSN 0004-6361. E-ISSN 1432-0746
R&D Projects: GA MŠMT LD12010
Grant - others:EU(XE) COST action MP1104
Institutional support: RVO:67985815
Keywords : galaxies: Seyfert * polarization * radiative transfer * relativistic processes * scattering * X-rays: general
OECD category: Astronomy (including astrophysics,space science)
Impact factor: 5.185, year: 2015
We find that X-ray polarimetry is particularly adapted to probing X-ray eclipses due to Compton-thin and Compton-thick gas clouds. Polarization measurements would distinguish between intrinsic intensity fluctuations and external eclipsing events, constrain the geometry of the covering medium, and test the hypothesis of non-uniformly emitting disks predicted by general relativity.
Permanent Link: http://hdl.handle.net/11104/0246932
Number of the records: 1