The first supermassive black hole mass measurement in active galactic nuclei using the polarization of broad emission line Mg II

Abstract

Spectropolarimetric efforts in the last few years have provided an efficient method that is based on the profiles of the polarization plane position angle of broad emission lines in active galactic nuclei (AGNs). Here we present black hole measurements of SBS 1419+538 using spectropolarimetric observations in the Mg II spectral band. The observations are performed by 6m telescope of SAO RAS using SCORPIO-2. We found a good agreement for the estimated supermassive black hole (SMBH) mass for this object using spectropolarimetry when compared with the mass obtained using other methods.

arXiv commentAccepted by ApJL on the 24th of September 2021, 7 pages, 3 figures

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