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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. Alexander Cooper

Hintze Fellow

Research theme

  • Astronomy and astrophysics

Sub department

  • Astrophysics

Research groups

  • Hintze Centre for Astrophysical Surveys
  • Pulsars, transients and relativistic astrophysics
alexander.cooper@physics.ox.ac.uk
Denys Wilkinson Building, room 562
Personal Website
  • About
  • Publications

Beyond the Rotational Deathline: Radio Emission from Ultra-long Period Magnetars

ArXiv 2406.04135 (2024)

Authors:

AJ Cooper, Z Wadiasingh
Details from ArXiV

Blast waves and reverse shocks: from ultra-relativistic GRBs to moderately relativistic X-ray binaries

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) (2025) staf609

Authors:

James H Matthews, Alex J Cooper, Lauren Rhodes, Katherine Savard, Rob Fender, Francesco Carotenuto, Fraser J Cowie, Emma L Elley, Joe Bright, Andrew K Hughes, Sara E Motta
More details from the publisher
Details from ORA

Contemporaneous optical-radio observations of a fast radio burst in a close galaxy pair

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 538:3 (2025) 1800-1815

Authors:

KY Hanmer, I Pastor-Marazuela, J Brink, D Malesani, BW Stappers, PJ Groot, AJ Cooper, N Tejos, DAH Buckley, ED Barr, MC Bezuidenhout, S Bloemen, M Caleb, LN Driessen, R Fender, F Jankowski, M Kramer, DLA Pieterse, KM Rajwade, J Tian, PM Vreeswijk, R Wijnands, PA Woudt
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Joint Radiative and Kinematic Modelling of X-ray Binary Ejecta: Energy Estimate and Reverse Shock Detection

(2025)

Authors:

AJ Cooper, JH Matthews, F Carotenuto, R Fender, GP Lamb, TD Russell, N Sarin, K Savard
More details from the publisher
Details from ArXiV

Identification of the Optical Counterpart of the Fast X-Ray Transient EP240414a

The Astrophysical Journal Letters American Astronomical Society 978:2 (2025) l21

Authors:

S Srivastav, T-W Chen, JH Gillanders, L Rhodes, SJ Smartt, ME Huber, A Aryan, S Yang, A Beri, AJ Cooper, M Nicholl, KW Smith, HF Stevance, F Carotenuto, KC Chambers, A Aamer, CR Angus, MD Fulton, T Moore, IA Smith, DR Young, T de Boer, H Gao, C-C Lin, T Lowe, EA Magnier, P Minguez, Y-C Pan, RJ Wainscoat
More details from the publisher
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