pith:RL54HM37
Intermediate-Mass Black Holes
Dynamical and accretion signatures indicate that most galaxies with masses 10^9 to 10^10 solar masses contain black holes below 10^5 solar masses, while no solid detections exist in globular clusters.
arxiv:1911.09678 v2 · 2019-11-21 · astro-ph.GA
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Claims
We find that dynamical and accretion signatures alike point to a high fraction of 10^9-10^10 M_sun galaxies hosting black holes with M_BH<10^5 M_sun. In contrast, there are no solid detections of black holes in globular clusters.
The interpretation that non-detections in globular clusters reflect true absence rather than observational limits or selection effects, and that the observed scatter in the M_BH-sigma relation is driven by a broad range in black hole mass and occupation fraction.
A literature review finds that a high fraction of low-mass galaxies host intermediate-mass black holes below 100,000 solar masses, with no solid detections in globular clusters and the black hole mass-stellar velocity dispersion relation extending unbroken to lower masses despite large scatter.
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| First computed | 2026-05-17T23:38:14.354302Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
8afbc3b37fcdcc482299158e17585b5e69036d22ee60aec30d8c4af4e4c37887
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curl -sH 'Accept: application/ld+json' https://pith.science/pith/RL54HM37ZXGEQIUZCWHBOWC3LZ \
| jq -c '.canonical_record' \
| python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 8afbc3b37fcdcc482299158e17585b5e69036d22ee60aec30d8c4af4e4c37887
Canonical record JSON
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