Constraining Supermassive Black Hole Seeding and Accretion via Occupation Fractions and Mass-Weighted Distributions

The formation of supermassive black holes (SMBHs) is a key open problem in galaxy evolution, with light- and heavy-seeding models predicting distinct black hole occupation fractions (BHOFs). Using multiwavelength observations from the LSST Deep Drilling Fields, we measure the AGN fraction and estimate the BHOF across $0

Authors

Publication Details

Journal
arXiv (Cornell University)
Published
2026-10-26
DOI
https://doi.org/10.48550/arxiv.2610.35673
Primary Topic
Galaxies: Formation, Evolution, Phenomena
Type
preprint
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preprint

Constraining Supermassive Black Hole Seeding and Accretion via Occupation Fractions and Mass-Weighted Distributions

Gianni Sims, Vicki Sarajedini
arXiv (Cornell University)
Galaxies: Formation, Evolution, Phenomena
preprint

Constraining Supermassive Black Hole Seeding and Accretion via Occupation Fractions and Mass-Weighted Distributions

Gianni Sims, Vicki Sarajedini
preprint en

Abstract

The formation of supermassive black holes (SMBHs) is a key open problem in galaxy evolution, with light- and heavy-seeding models predicting distinct black hole occupation fractions (BHOFs). Using multiwavelength observations from the LSST Deep Drilling Fields, we measure the AGN fraction and estimate the BHOF across $0

arXiv (Cornell University)
Galaxies: Formation, Evolution, Phenomena
DOIOpen Access PDFOpenAlex
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Constraining Supermassive Black Hole Seeding and Accretion via Occupation Fractions and Mass-Weighted Distributions — Gianni Sims, Vicki Sarajedini · arXiv (Cornell University) (2026) | TGRS Research Map | TGRS