16 citations · 39 across the 12 of their papers we have counts for
Showing 2024Show all
2 papers · 1 filter
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…
astro-ph.GA2024★ 16 cited
Ensemble power spectral density of SDSS quasars in UV/optical bands
Vincenzo Petrecca, Iossif Papadakis, Maurizio Paolillo +2
Context: Quasar variability has proven to be a powerful tool to constrain the properties of their inner engine and the accretion process onto supermassive black holes. Correlations…