Polarimetric Reverberation Mapping in Medium-Band Filters

Earlier, we suggested the "reload" concept of the polarimetric reverberation mapping of active galactic nuclei (AGN), proposed for the first time more than 10 years ago. We have successfully tested this approach of reverberation mapping of the broad emission line on the galaxy Mrk 6. It wa...

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Bibliographic Details
Published in:arXiv.org 2023-01
Main Authors: Shablovinskaya, Elena, Popović, Luka Č, Uklein, Roman, Malygin, Eugene, Ilić, Dragana, Ciroi, Stefano, Oparin, Dmitry, Crepaldi, Luca, Slavcheva-Mihova, Lyuba, Boyko Mihov, Nikolov, Yanko
Format: Article
Language:English
Subjects:
Active galactic nuclei
Astronomical polarimetry
Celestial bodies
Emission analysis
Mapping
Observatories
Reverberation
Telescopes
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Summary:Earlier, we suggested the "reload" concept of the polarimetric reverberation mapping of active galactic nuclei (AGN), proposed for the first time more than 10 years ago. We have successfully tested this approach of reverberation mapping of the broad emission line on the galaxy Mrk 6. It was shown that such an idea allows one to look at the AGN central parsec structure literally in a new light. However, the method originally assumed the use of spectropolarimetric observations, expensive in terms of telescope time, and implemented on rare large telescopes. Currently, we propose an adaptation of the polarimetric reverberation mapping of broad lines in medium-band filters following the idea of the photometric reverberation mapping, when filters are selected so that their bandwidth is oriented to the broad line and the surrounding continuum near. In this paper, we present the progress status of such monitoring conducted jointly at the Special astrophysical observatory and Asiago Cima Ekar observatory (OAPd/INAF) with support from Rozhen National Astronomical Observatory (NAO), some first results for the most frequently observed AGNs Mrk 335, Mrk 509, and Mrk 817, and the discussion of the future perspectives of the campaign.
ISSN:2331-8422
DOI:10.48550/arxiv.2301.05267