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

By Miranda Zak and others at
LogoUniversity of Michigan
LogoUniversity of Michigan - Ann Arbor
Markarian 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-year mission. We present an analysis... Show more
December 11, 2023
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