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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Bibliographic Details
Main Authors:	Schroeder, G, Rhodes, L, Laskar, T, Nugent, A, Escorial, AR, Rastinejad, JC, Fong, W, van der Horst, AJ, Veres, P, Alexander, KD, Andersson, A, Berger, E, Blanchard, PK, Chastain, S, Christensen, L, Fender, R, Green, DA, Groot, P, Heywood, I, Horesh, A, Izzo, L, Kilpatrick, CD, Körding, E, Lien, A
Format:	Journal article
Language:	English
Published:	American Astronomical Society 2024

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

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