2 papers
astro-ph.CO2025
Halo mass functions at high redshift
Hannah O'Brennan, John A. Regan, Chris Power +3
Recent JWST observations of very early galaxies, at , have led to claims that tension exists between the sizes and luminosities of high-redshift galaxies and wha…
astro-ph.CO2025
Predicting the number density of heavy seed massive black holes due to an intense Lyman-Werner field
Hannah O'Brennan, John A. Regan, John Brennan +5
The recent detections of a large number of candidate active galactic nuclei at high redshift (i.e. ) has increased speculation that heavy seed massive black hole forma…