AT 2019aalc: A Bowen Fluorescence Flare with a Precursor Flare in an Active Galactic Nucleus

AT 2019aalc: A Bowen Fluorescence Flare with a Precursor Flare in an Active Galactic Nucleus

AT 2019aalc is a peculiar sequence of highly variable emission events observed towards the nucleus of the broad-line active galactic nucleus (AGN) SDSS J152416.66+045119.0. The system exhibited two distinct UV-optical flares (the first detected in 2019, the second one in 2023). Spectra obtained foll...

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Bibliographic Details
Main Authors: Marzena Śniegowska, Benny Trakhtenbrot, Lydia Makrygianni, Iair Arcavi, Claudio Ricci, Sara Faris, Biswaraj Palit, D. Andrew Howell, Megan Newsome, Joseph Farah, Curtis McCully, Estefania Padilla-Gonzalez, Giacomo Terreran
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Accretion
Transient sources
Time domain astronomy
Active galactic nuclei
Online Access:https://doi.org/10.3847/1538-4357/aded13
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