activity
19982026
most citedThe broad emission-line region: the confluence of the outer accretion disc with the inner edge of the dusty torus

122 citations · 538 across the 40 of their papers we have counts for

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astro-ph.HE2025

The variability of active galaxies: I. Broad-band noise X-ray power spectra from XMM-Newton and Swift

Mehdy Lefkir, Simon Vaughan, Mike Goad +2

Accreting supermassive black holes at the centres of galaxies are the engine of active galactic nuclei (AGN). X-ray light curves of unabsorbed AGN show dramatic random variability…