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Electromagnetic Flares from Compact-object Mergers in Active Galactic Nucleus Disks: Signatures and Predictions

  • Authors: Hiromichi Tagawa, Zoltán Haiman, Shigeo S. Kimura, Hassen M. Yesuf, Hengxiao Guo

Hiromichi Tagawa et al 2026 The Astrophysical Journal 1006 .

  • Provider: AAS Journals

Caption: Figure 4.

The mass of a BH at which the ADIOS state is realized due to accretion growth prior to kicks, as a function of distance from the SMBH in the TQM model, assuming an initial BH mass of m = 5 M. For the regions where m = 5 M, the ADIOS state is realized (rcirc > rtrap) without any growth. For m > 5 M, the initial state is ZEBRA. As the BH rapidly grows, the AGN surface density decreases due to gap formation, reducing rtrap. Eventually, the ADIOS state is realized (rcirc = rtrap) after growth to the value shown. The vertical green and red lines mark the locations where HAGN/RBH reaches a minimum and where the Toomre parameter becomes Q≥1, respectively.

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