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Black Hole

Lensing of space time around a black hole. At Oxford we study black holes observationally and theoretically on all size and time scales - it is some of our core work.

Credit: ALAIN RIAZUELO, IAP/UPMC/CNRS. CLICK HERE TO VIEW MORE IMAGES.

Dr Harley Katz

Visitor

Sub department

  • Astrophysics
harley.katz@physics.ox.ac.uk
Telephone: 01865 273348
Denys Wilkinson Building, room 532D
  • About
  • Publications

Inferring the ionizing photon contributions of high-redshift galaxies to reionization with JWST NIRCam photometry

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) (2025) staf126

Authors:

Nicholas Choustikov, Richard Stiskalek, Aayush Saxena, Harley Katz, Julien Devriendt, Adrianne Slyz
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Rising from the ashes: evidence of old stellar populations and rejuvenation events in the very early Universe

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 537:1 (2025) 112-126

Authors:

Callum Witten, William McClymont, Nicolas Laporte, Guido Roberts-Borsani, Debora Sijacki, Sandro Tacchella, Charlotte Simmonds, Harley Katz, Richard S Ellis, Joris Witstok, Roberto Maiolino, Xihan Ji, Billy R Hayes, Tobias J Looser, Francesco D’Eugenio
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High-z Stellar Masses Can Be Recovered Robustly with JWST Photometry

The Astrophysical Journal Letters American Astronomical Society 978:2 (2025) l42

Authors:

RK Cochrane, H Katz, R Begley, CC Hayward, PN Best
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Impact of star formation models on the growth of simulated galaxies at high redshifts

Astronomy & Astrophysics EDP Sciences (2024)

Authors:

Cheonsu Kang, Taysun Kimm, Daniel Han, Harley Katz, Julien Devriendt, Adrianne Slyz, Romain Teyssier
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Early Bright Galaxies from Helium Enhancements in High-Redshift Star Clusters

The Open Journal of Astrophysics Maynooth University 7 (2024)

Authors:

Harley Katz, Alexander P Ji, Grace Telford, Peter Senchyna
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