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astro-ph.GA2025
Cosmic Outliers: Low-Spin Halos Explain the Abundance, Compactness, and Redshift Evolution of the Little Red Dots
Fabio Pacucci, Abraham Loeb
The Little Red Dots (LRDs) are high-redshift galaxies uncovered by JWST, characterized by small effective radii ( pc), number densities that are intermedia…
astro-ph.GA2024
The Host Galaxy of a Dormant, Overmassive Black Hole at May Be Restarting Star Formation
Fabio Pacucci, Abraham Loeb, Ignas Juodžbalis
JWST is discovering a large population of supermassive black holes (SMBHs) that are overmassive with respect to the stellar content of their hosts. A previous study developed…
astro-ph.GA2024
The Redshift Evolution of the Relation for JWST's Supermassive Black Holes at
Fabio Pacucci, Abraham Loeb
JWST has detected many overmassive galactic systems at , where the mass of the black hole, , is times larger than expected from local relations, given th…