Speaker
Benedetta Dalla Barba
(Istituto Nazionale di Astrofisica (INAF-OA Brera))
Description
The reclassification of approximately 3000 gamma-ray extragalactic sources from the Fourth Fermi LAT Catalog resulted in an increased number of gamma-ray emitting Seyfert galaxies, including Narrow-Line Seyfert 1, misaligned active galactic nuclei (AGN), changing-look AGN, and several ambiguous objects (Foschini et al. 2022). To confirm or reject the new classifications and resolve the ambiguities, we requested new high-quality optical spectra from GranTeCan and ESO/VLT UT1/FORS2. Here, we present the preliminary results of these new observations.
Primary author
Benedetta Dalla Barba
(Istituto Nazionale di Astrofisica (INAF-OA Brera))
Co-authors
Dr
Marco Berton
(European Southern Observatory (ESO), Santiago de Chile)
Dr
Stefano Ciroi
(University of Padova)
Dr
Luigi Foschini
(Istituto Nazionale di Astrofisica (INAF-OA Brera))
Dr
Emilia Järvelä
(University of Oklahoma)
