activity
20202025
most citedA possible mechanism for multiple changing look phenomenon in Active Galactic Nuclei

135 citations · 139 across the 7 of their papers we have counts for

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Showing 2024 · astro-ph.HEShow all

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astro-ph.HE2024★ 3 cited

The extremes of AGN variability: outbursts, deep fades, changing looks, exceptional spectral states, and semi-periodicities

S. Komossa, D. Grupe, P. Marziani +16

The extremes of Active Galactic Nuclei (AGN) variability offer valuable new insights into the drivers and physics of AGN. We discuss some of the most extreme cases of AGN variabili…