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researcher

John Regan

13 papers hereh-index 439 citations12 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author1
  • middle author10
  • last author1

Across the 12 of 13 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA11
  • astro-ph.CO2
same name
  • John Regan — 5 papers, h 3
  • John Regan — 2 papers, h 1
  • John Regan — 2 papers, h 4

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20242026
most citedGrowth of Light-Seed Black Holes in Gas-Rich Galaxies at High Redshift

10 citations · 51 across the 12 of their papers we have counts for

collaborators
Showing astro-ph.COShow all

2 papers · 1 filter

astro-ph.CO2025★ 8 cited

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. z≳4) has increased speculation that heavy seed massive black hole forma…

astro-ph.CO2024★ 3 cited

Halo mass functions at high redshift

Hannah O'Brennan, John A. Regan, Chris Power +3

Recent JWST observations of very early galaxies, at z≳10, have led to claims that tension exists between the sizes and luminosities of high-redshift galaxies and wha…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.