Fierce Feedback in an Obscured, Sub-Eddington State of the Seyfert 1.2 Markarian 817

Fierce Feedback in an Obscured, Sub-Eddington State of the Seyfert 1.2 Markarian 817

Mrk 817 is a bright and variable Seyfert 1.2 active galactic nucleus (AGN). X-ray monitoring of Mrk 817 with the Neil Gehrels Swift Observatory in 2022 revealed that the source flux had declined to a lower level than recorded at any prior point in the then 19 yr mission. We present an analysis of de...

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Bibliographic Details
Main Authors: Miranda K. Zak, Jon M. Miller, Ehud Behar, W. N. Brandt, Laura Brenneman, Paul A. Draghis, Elias Kammoun, Michael J. Koss, Mark T. Reynolds, Abderahmen Zoghbi
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Series:The Astrophysical Journal Letters
Subjects:
Black holes
Online Access:https://doi.org/10.3847/2041-8213/ad1407

Internet

https://doi.org/10.3847/2041-8213/ad1407

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