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Quiescent and active galactic nuclei as factories of merging compact objects in the era of gravitational-wave astronomy

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arxiv 2302.14071 v1 pith:TD27HEPM submitted 2023-02-27 astro-ph.GA astro-ph.HEgr-qc

classification astro-ph.GAastro-ph.HEgr-qc
keywords galacticnucleiactiveblackcobscompactevolutionformation
verification ladder T0 review T1 audit T2 compute T3 formal

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Galactic nuclei harbouring a central supermassive black hole (SMBH), possibly surrounded by a dense nuclear cluster (NC), represent extreme environments which house a complex interplay of many physical processes that uniquely affect stellar formation, evolution, and dynamics. The discovery of gravitational waves (GW) emitted by merging black holes (BHs) and neutron stars (NSs), funnelled a huge amount of work focused on understanding how compact object binaries (COBs) can pair-up and merge together. Here, we review from a theoretical standpoint how different mechanisms concur to the formation, evolution, and merger of COBs around quiescent SMBHs and active galactic nuclei (AGNs), summarizing the main predictions for current and future (GW) detections and outlining the possible features that can clearly mark a galactic nuclei origin.

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Forward citations

Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Constraints on Line-of-Sight Acceleration from O1-O4

    astro-ph.HE 2026-06 unverdicted novelty 7.0 of 10

    All known compact binary mergers show line-of-sight accelerations consistent with zero under a new time-domain Doppler-shift model, with current detectors only sensitive to high-acceleration scenarios.

  2. Binary disruptions driven by massive disks around massive black holes

    astro-ph.GA 2026-07 conditional novelty 6.0 of 10

    Disk torques can drive stellar binaries around a massive black hole to tidal disruption, and the Milky Way's young stellar disk likely caused ~10^2 such events ~5 Myr ago.

  3. The Hierarchical Merger Scenario for GW231123

    astro-ph.HE 2025-09 conditional novelty 5.0 of 10

    GW231123 is claimed to be a 2G+2G hierarchical merger, but only under the NRSur7dq4 waveform; the conclusion flips with IMRPhenomXO4a.

  4. January Food Benchmark (JFB): A Public Benchmark Dataset and Evaluation Suite for Multimodal Food Analysis

    cs.CV 2025-08 reject novelty 4.0 of 10

    The abstract promises a food-image benchmark and a winning model, but the manuscript pages contain only a different paper on primordial black holes, leaving every benchmark claim unsubstantiated.

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