A Radio Flare in the Long-lived Afterglow of the Distant Short GRB 210726A: Energy Injection or a Reverse Shock from Shell Collisions?

We present the discovery of the radio afterglow of the short gamma-ray burst (GRB) 210726A, localized to a galaxy at a photometric redshift of z ∼ 2.4. While radio observations commenced ≲1 day after the burst, no radio emission was detected until ∼11 days. The radio afterglow subsequently brightene...

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Autori principali:	Genevieve Schroeder, Lauren Rhodes, Tanmoy Laskar, Anya Nugent, Alicia Rouco Escorial, Jillian C. Rastinejad, Wen-fai Fong, Alexander J. van der Horst, Péter Veres, Kate D. Alexander, Alex Andersson, Edo Berger, Peter K. Blanchard, Sarah Chastain, Lise Christensen, Rob Fender, David A. Green, Paul Groot, Ian Heywood, Assaf Horesh, Luca Izzo, Charles D. Kilpatrick, Elmar Körding, Amy Lien, Daniele B. Malesani, Vanessa McBride, Kunal Mooley, Antonia Rowlinson, Huei Sears, Ben Stappers, Nial Tanvir, Susanna D. Vergani, Ralph A. M. J. Wijers, David Williams-Baldwin, Patrick Woudt
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	IOP Publishing 2024-01-01
Serie:	The Astrophysical Journal
Soggetti:	Gamma-ray bursts High energy astrophysics Radio astronomy Time domain astronomy
Accesso online:	https://doi.org/10.3847/1538-4357/ad49ab
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