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researcher

J. Cohn

19 papers hereh-index 7159 citations22 works total

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

author position
  • first author5
  • middle author11
  • last author2

Across the 18 of 19 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA18
  • astro-ph.HE1
same name
  • J. Cohn — 38 papers, h 20
  • J. Cohn — 12 papers, h 25
  • J. Cohn — 9 papers, h 6
  • J. Cohn — 8 papers, h 7
  • J. Cohn — 2 papers, h 6
  • J. Cohn — 2 papers, h 7

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
20162026
most citedBlack Hole Mass Measurements of Radio Galaxies NGC 315 and NGC 4261 Using ALMA CO Observations

65 citations · 232 across the 18 of their papers we have counts for

collaborators
Showing 2025Show all

2 papers · 1 filter

astro-ph.GA2025

Optical Strong Line Ratios Cannot Distinguish Between Stellar Populations and Accreting Black Holes at High Ionization Parameters and Low Metallicities

Nikko J. Cleri, Grace M. Olivier, Bren E. Backhaus +24

High-redshift observations from JWST indicate that optical strong line ratios do not carry the same constraining power as they do at low redshifts. Critically, this prevents a sepa…

astro-ph.GA2025

Evidence for evolutionary pathway-dependent black hole scaling relations

Jonathan H. Cohn, Emmanuel Durodola, Quinn O. Casey +2

Recent observations have identified an abundance of high-redshift active galactic nuclei (AGN) with supermassive black holes (BHs) that are over-massive compared to the local BH ma…

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