Supermassive Black Holes

Galaxy Evolution

Poverty in Astronomy

Education

• Ph.D., Astronomy, Texas A&M University, 2022
• M.S., Astronomy, Texas A&M University, 2019
• B.S., Physics, University of Texas at Dallas, 2016

Research

•  Supermassive black hole mass measurements
•  Black hole-host galaxy coevolution
• Dynamical modeling
• SED fitting and star formation histories
• Optical, infrared, and sub-mm/radio astronomy
• Statistical surveys exploring poverty in astronomy

Publications

• Evidence for evolutionary pathway-dependent black hole scaling relations.
  J. H. Cohn, E. Durodola, Q. O. Casey, E. Lambrides, R. C. Hickox.
  The Astrophysical Journal Letters (2025), 988, L61.
• Modeling ALMA Observations of the Warped Molecular Gas Disk in the Red Nugget Relic Galaxy NGC 384.
  J. H. Cohn, M. Curliss, J. L. Walsh, and 9 additional authors.
  The Astrophysical Journal (2024), 975, 179.
• Gas-dynamical Mass Measurements of the Supermassive Black Holes in the Early-Type Galaxies NGC 4786 and NGC 5193 from ALMA and HST Observations.
  K. M. Kabasares & J. H. Cohn,* A. J. Barth, and 10 additional authors 
  The Astrophysical Journal (2024), 966, 132.
  *Kabasares & Cohn are co-lead authors on this project