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October 15, 2025The Astrophysical Journal LettersOpen Access

Tidal Disruption Event Demographics in Supermassive Black Hole Binaries over Cosmic Times

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Authors

DMD. A. MelchorCalifornia State University, FullertonSNSmadar NaozNorthwestern UniversitySGSuvi GezariSpace Telescope Science Institute

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Implication

Simulations reveal that TDE rates increase with black hole mass in binaries, suggesting new insights into SMBH demographics.

Key Points

  • Binary systems show increased tidal disruption event rates with mass, contrasting single supermassive black holes.
  • Observed tidal disruption event rates match those in post-starburst galaxies, indicating potential black hole binaries.
  • Mass-dependent tidal disruption rates may help constrain the black hole binary fraction across cosmic time.
  • Short light curves in some massive galaxies imply the disrupting black hole may be less massive than expected.

Cite This Study

Melchor et al. (2025) studied this question.

synapsesocial.com/papers/68efbd16d61273c8652d80bbhttps://doi.org/10.3847/2041-8213/ae0a2e
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Also Consider

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