A Population Study for Searching Supermassive Binary Black Holes in Active Galactic Nuclei: Continuum Spectral Features and Periodic Variabilities

arXiv:2608.25507 · astro-ph.HE · Submitted 2026-08-26 · Read on arXiv

astro-ph.HE

Submitted: 2026-08-26

Updated: 2026-08-26

Terminology

• AGN — 56× in this paper · explained in 1 episode
• Population Synthesis — 8× in this paper · explained in 2 episodes
• Accretion Flows — 3× in this paper · explained in 1 episode
• Consistency — 3× in this paper · explained in 3 episodes
• Core — 3× in this paper · explained in 2 episodes
• Velocity Dispersion — 3× in this paper · explained in 2 episodes
• Abundance — 2× in this paper · explained in 1 episode
• China Space Station Telescope — 2× in this paper
• Robustness — 2× in this paper · explained in 5 episodes
• CPTA and Square Kilometre Array — 1× in this paper
• James Webb Space Telescope — 1× in this paper
• Signal-to-noise ratio (SNR) — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes
• Verification — 1× in this paper · explained in 2 episodes
• pulsar timing arrays — 1× in this paper · explained in 2 episodes

Sources

• Spectral Properties of Irradiated Circumbinary Disks around Binary Black Holes Governed by Hydrogen Opacities Dependent on Temperature and Density
• Identifying massive black hole binaries via light curve variability in optical time-domain surveys
• Observational Signatures of Supermassive Black Hole Binaries
• Active galactic nuclei do not exhibit strictly sinusoidal brightness variations
• Accretion onto supermassive black hole binaries
• A search for periodic AGN variability in $\textit{Gaia}$ Data Release 3
• The Emergence of Little Red Dots from Binary Massive Black Holes
• Evolution of SMBHs in light of PTA measurements: implications for growth by mergers and accretion
• Looking for observational signatures of early binary black hole systems
• Identifying Compact Chirping SMBHBs in LSST using Bayesian Analysis

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