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astro-ph.GA2025
Estimating Black Hole Masses in Obscured AGN from X-ray and Optical Emission Line Luminosities
S. LaMassa, I. Farrow, C. M. Urry +6
We test a novel method for estimating black hole masses () in obscured active galactic nuclei (AGN) that uses proxies to measure the full-width half maximum of broad H$…
astro-ph.GA2025
A Detailed Look at a Trio of Changing-Look Quasars: Spectral Energy Distributions and the Dust Extinction Test
Laura Duffy, Michael Eracleous, Jessie C. Runnoe +5
Changing-look quasars exhibit dramatic variability in broad emission-line fluxes on short timescales. This behavior is challenging to many models of the quasar broad line region, d…