Mixture model analysis of LIGO data identifies a ~10% high-spin subpopulation with a1 ≈ 0.9 matching AGN accretion predictions, disfavoring hierarchical mergers at a1 ≈ 0.7 for that group.
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Jets escaping AGN disks decelerate rapidly in the dense wind-like medium, producing a downshifted spectrum with strong synchrotron self-absorption that creates a quasi-thermal hump, yielding detectable multi-wavelength emission outshining the AGN background with short delays after GW triggers.
citing papers explorer
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High-Spin BBH Subpopulation from AGN Accretion
Mixture model analysis of LIGO data identifies a ~10% high-spin subpopulation with a1 ≈ 0.9 matching AGN accretion predictions, disfavoring hierarchical mergers at a1 ≈ 0.7 for that group.
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Observational Properties of Nonthermal Emission from Relativistic Jets Escaping Active Galactic Nucleus Disks
Jets escaping AGN disks decelerate rapidly in the dense wind-like medium, producing a downshifted spectrum with strong synchrotron self-absorption that creates a quasi-thermal hump, yielding detectable multi-wavelength emission outshining the AGN background with short delays after GW triggers.