Fooled by mass? Recovering the-lambda Edd relation of quasars from their X-ray variability

arXiv:2609.37607 · astro-ph.GA, astro-ph.HE · Submitted 2026-09-29 · Read on arXiv

astro-ph.GA, astro-ph.HE

Submitted: 2026-09-29

Updated: 2026-09-29

Terminology

• AGN — 26× in this paper · explained in 1 episode
• Trace — 5× in this paper · explained in 2 episodes
• Calibration — 3× in this paper · explained in 7 episodes
• Anti-correlation — 2× in this paper · explained in 3 episodes
• Little Red Dots — 2× in this paper · explained in 2 episodes
• Active Galactic Nuclei (AGN) — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• European Space Agency — 1× in this paper
• Microlensing — 1× in this paper · explained in 2 episodes
• Sloan Digital Sky Survey — 1× in this paper

Sources

• The Little Blue and Red Dots Rosetta Stones: Non-Gaussian broad lines, hot dust, and X-ray weakness
• Data analysis recipes: Fitting a model to data
• Continuum optical-UV and X-ray variability of AGN: current results and future challenges
• The X-ray-to-UV relation does not evolve in homogeneous quasar samples
• A thin disk and a nearly universal accretion rate in luminous quasars
• A Catalog of Quasar Properties from Sloan Digital Sky Survey Data Release 16

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