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Astrophysics > High Energy Astrophysical Phenomena

arXiv:2207.07986 (astro-ph)
[Submitted on 16 Jul 2022]

Title:Determination of the Physical Parameters of AGNs in Seyfert 1 Galaxies LEDA 3095839 and VII Zw 244 Based on Spectropolarimetric Observations

Authors:Elena Shablovinskaya, Mikhail Piotrovich, Eugene Malygin, Stanislava Buliga, Tinatin Natsvlishvili
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Abstract:Here we present the detailed investigation of AGNs in two Seyfert 1 galaxies, LEDA 3095839 and VII Zw 244. Both of them were observed within the photometric reverberation mapping project in Special Astrophysical Observatory of the Russian Academy of Sciences (SAO RAS), during which we earlier obtained the SMBHs masses. After that, both galaxies were observed in spectropolarimetric and polarimetric modes on the BTA 6 m telescope of the SAO RAS with the focal reducer SCORPIO-2. The linear polarization of the continuum and broad Balmer lines has been measured. It was found that (i) there were no signs of equatorial scattering in the LEDA 3095839 galaxy in the broad H-alpha line, and we were able to estimate the value of SMBH spin and the magnetic field strength in the disk from the level of continuum polarization; (ii) for the galaxy VII Zw 244, the presence of equatorial scattering was shown, due to which the mass of the SMBH was independently measured, the inclination angle of the system was obtained, and the value of the spin was estimated.
Comments: 19 pages, 4 figures
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE)
Cite as: arXiv:2207.07986 [astro-ph.HE]
  (or arXiv:2207.07986v1 [astro-ph.HE] for this version)
  https://doi.org/10.48550/arXiv.2207.07986
Related DOI: https://doi.org/10.3390/universe8070383

Submission history

From: Mikhail Piotrovich [view email]
[v1] Sat, 16 Jul 2022 17:21:41 UTC (1,290 KB)
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