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The black hole occupation fraction of local dwarf galaxies with AXIS

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arxiv 2311.09161 v1 pith:KM5YGLOA submitted 2023-11-15 astro-ph.HE astro-ph.GA

Elena Gallo , Edmund Hodges-Kluck , Tommaso Treu , Vivienne Baldassare , Anil Seth , Jenny Greene , Fabio Pacucci , Richard Plotkin
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Amy Reines Belinda Wilkes
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classification astro-ph.HEastro-ph.GA
keywords blackgalaxiesaxisdwarffractionholeslocalachieved
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The fraction of local dwarf galaxies that hosts massive black holes is arguably the cleanest diagnostic of the dominant seed formation mechanism of today's supermassive black holes. A 5 per cent constraint on this quantity can be achieved with AXIS observations of 3300 galaxies across the mass spectrum through a combination of serendipitous extra-galactic fields plus a dedicated 1 Msec GO program.

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Cited by 2 Pith papers

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

  1. Probability of gravitational-wave lensing by intermediate-mass black holes and globular clusters

    astro-ph.CO 2026-08 conditional novelty 6.0 of 10

    The rate of compound gravitational-wave lensing by intermediate-mass black holes in globular clusters is at most about 10^-3 of galaxy-scale lensed events, disfavoring GW231123 as such an event.

  2. Signatures of black hole seeding in the local Universe: Predictions from the BRAHMA cosmological simulations

    astro-ph.GA 2024-11 conditional novelty 6.0 of 10

    Black holes of 1e5 to 1e6 solar masses in local dwarf galaxies still carry information about how the first black hole seeds formed, according to the BRAHMA simulations.

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