X-ray Absorption Variability in NGC 1142: Another Constraint on the Nature of the Torus/Broad-Line Region in Active Galactic Nuclei

arXiv:2607.28501 · astro-ph.GA, astro-ph.HE · Submitted 2026-07-30 · Read on arXiv

Isaiah S. Cox, Núria Torres-Albà, Stefano Marchesi, Vittoria E. Gianolli, Xiurui Zhao, Marco Ajello, Indrani Pal, Andrealuna Pizzetti

astro-ph.GA, astro-ph.HE

Submitted: 2026-07-30

Comments: 17 pages, 5 figures, 4 tables, submitted to ApJ

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• AGN — 9× in this paper · explained in 1 episode
• Active Galactic Nuclei (AGN) — 2× in this paper · explained in 1 episode
• Physical Constraints — 1× in this paper · explained in 7 episodes
• Regret — 1× in this paper · explained in 3 episodes

Sources

• Asymmetric Errors
• The hidden variability of the torus in local Active Galactic Nuclei: 20 years of Chandra, XMM-Newton, and NuSTAR observations

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