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Science with an ngVLA: Local Constraints on Supermassive Black Hole Seeds

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arxiv 1810.06814 v1 pith:VYJKQDOH submitted 2018-10-16 astro-ph.HE astro-ph.GA

R. M. Plotkin (ICRAR-Curtin) , A. E. Reines (Montana State) This is my paper · ORCID
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keywords blackholesngvlasupermassivegalaxieslargelow-massscience
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Determining the mechanisms that formed and grew the first supermassive black holes is one of top priorities in extragalactic astrophysics. Observational clues can be inferred from the demographics of massive black holes (in the ten thousand through million Solar mass range) in nearby low-mass galaxies. This chapter of the next generation Very Large Array (ngVLA) Science Book describes how an ngVLA can play a prominent role in developing large samples of weakly accreting active galactic nuclei in low-mass galaxies (out to nearly 1 Gpc), which will help constrain the types of objects that originally seeded the growth of supermassive black holes.

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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. Radio emission from little red dots may reveal their true nature

    astro-ph.GA 2025-02 conditional novelty 5.0 of 10

    Predicted black hole radio fluxes from little red dots are 10 to 100 times brighter than host galaxy emission for low star formation, giving clean ngVLA and SKA detection targets.

  2. Radio Signatures of a Massive Black Hole in GHZ9 at z $\sim$ 10

    astro-ph.GA 2025-02 conditional novelty 4.0 of 10

    GHZ9's candidate black hole should emit radio fluxes of roughly 0.1 to 4.5 microjansky at 0.1 to 10 GHz, detectable by ngVLA in about one hour and by SKA in up to 100 hours.

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