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The Murriyang radio telescope.

The Murriyang radio telescope.

Dr Joe Bright

Researcher in Radio Astronomy

Research theme

  • Astronomy and astrophysics

Sub department

  • Astrophysics

Research groups

  • MeerKAT
  • Pulsars, transients and relativistic astrophysics
  • Breakthrough Listen
joe.bright@physics.ox.ac.uk
Telephone: 01865 (2)83125
Denys Wilkinson Building, room 558
  • About
  • Allen Telescope Array Acknowledgements
  • Publications

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
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The Observed Phase Space of Mass-loss History from Massive Stars Based on Radio Observations of a Large Supernova Sample

The Astrophysical Journal American Astronomical Society 979:2 (2025) 189

Authors:

Itai Sfaradi, Assaf Horesh, Rob Fender, Lauren Rhodes, Joe Bright, David Williams-Baldwin, Dave A Green
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The Radio Counterpart to the Fast X-ray Transient EP240414a

(2024)

Authors:

Joe S Bright, Francesco Carotenuto, Rob Fender, Carmen Choza, Andrew Mummery, Peter G Jonker, Stephen J Smartt, David R DeBoer, Wael Farah, James Matthews, Alexander W Pollak, Lauren Rhodes, Andrew Siemion
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Details from ArXiV

Discovery of the Optical and Radio Counterpart to the Fast X-Ray Transient EP 240315a

The Astrophysical Journal Letters American Astronomical Society 969:1 (2024) L14

Authors:

JH Gillanders, L Rhodes, S Srivastav, F Carotenuto, J Bright, ME Huber, HF Stevance, SJ Smartt, KC Chambers, T-W Chen, R Fender, A Andersson, AJ Cooper, PG Jonker, FJ Cowie, T de Boer, N Erasmus, MD Fulton, H Gao, J Herman, C-C Lin, T Lowe, EA Magnier, H-Y Miao

Abstract:

Fast X-ray Transients (FXTs) are extragalactic bursts of soft X-rays first identified ≳10 yr ago. Since then, nearly 40 events have been discovered, although almost all of these have been recovered from archival Chandra and XMM-Newton data. To date, optical sky surveys and follow-up searches have not revealed any multiwavelength counterparts. The Einstein Probe, launched in 2024 January, has started surveying the sky in the soft X-ray regime (0.5–4 keV) and will rapidly increase the sample of FXTs discovered in real time. Here we report the first discovery of both an optical and radio counterpart to a distant FXT, the fourth source publicly released by the Einstein Probe. We discovered a fast-fading optical transient within the 3′ localization radius of EP 240315a with the all-sky optical survey ATLAS, and our follow-up Gemini spectrum provides a redshift, z = 4.859 ± 0.002. Furthermore, we uncovered a radio counterpart in the S band (3.0 GHz) with the MeerKAT radio interferometer. The optical (rest-frame UV) and radio luminosities indicate that the FXT most likely originates from either a long gamma-ray burst or a relativistic tidal disruption event. This may be a fortuitous early mission detection by the Einstein Probe or may signpost a mode of discovery for high-redshift, high-energy transients through soft X-ray surveys, combined with locating multiwavelength counterparts.
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Chasing the Break: Tracing the Full Evolution of a Black Hole X-Ray Binary Jet with Multiwavelength Spectral Modeling

The Astrophysical Journal American Astronomical Society 962:2 (2024) 116

Authors:

Constanza Echiburú-Trujillo, Alexandra J Tetarenko, Daryl Haggard, Thomas D Russell, Karri II Koljonen, Arash Bahramian, Jingyi Wang, Michael Bremer, Joe Bright, Piergiorgio Casella, David M Russell, Diego Altamirano, M Cristina Baglio, Tomaso Belloni, Chiara Ceccobello, Stephane Corbel, Maria Diaz Trigo, Dipankar Maitra, Aldrin Gabuya, Elena Gallo, Sebastian Heinz, Jeroen Homan, Erin Kara, Elmar Körding, Fraser Lewis, Matteo Lucchini, Sera Markoff, Simone Migliari, James CA Miller-Jones, Jerome Rodriguez, Payaswini Saikia, Craig L Sarazin, Tariq Shahbaz, Gregory Sivakoff, Roberto Soria, Vincenzo Testa, Bailey E Tetarenko, Valeriu Tudose
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