The Soltan argument at redshift 6: UV-luminous quasars contribute less than 10% to early black hole mass growth

We combine stellar mass functions and the recent first JWST-based galaxy-black hole scaling relations at $z=6$ to for the first time compute the supermassive black hole (SMBH) mass volume density at this epoch, and compare this to the integrated SMBH mass growth from the population of UV-luminous qu...

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Bibliographic Details
Main Author: Knud Jahnke
Format: Article
Language:English
Published: Maynooth Academic Publishing 2025-01-01
Series:The Open Journal of Astrophysics
Online Access:https://doi.org/10.33232/001c.129063
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