Spectropolarimetric Observations of Active Galactic Nuclei with the 6-m BTA Telescope

Details Spectropolarimetric Observations of Active Galactic Nuclei with the 6-m BTA Telescope Spectropolarimetric Observations of Active Galactic Nuclei with the 6-m BTA Telescope

2011-04-19

arxiv.org/abs/1104.3690v1

Astronomy Letters, 2011, Vol.37, No.5, pp.302-310

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

10 pages, 2 figures

Scientific paper

10.1134/S106377371105001X

We present the results of our spectropolarimetric observations for a number of active galactic nuclei (AGNs) carried out at the 6-m telescope with the SCORPIO focal reducer. The derived wavelength dependences of the polarization have been analyzed by taking into account the Faraday rotation of the polarization plane on the photon mean free path in a magnetized accretion disk. As a result, based on traditional accretion disk models, we have determined the magnetic field strength and distribution and a number of physical parameters of the accreting plasma in the region where the optical radiation is generated.

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