The Long-lived Broadband Afterglow of Short Gamma-Ray Burst 231117A and the Growing Radio-detected Short Gamma-Ray Burst Population

The Long-lived Broadband Afterglow of Short Gamma-Ray Burst 231117A and the Growing Radio-detected Short Gamma-Ray Burst Population

We present multiwavelength observations of the Swift short γ -ray burst GRB 231117A, localized to an underlying galaxy at redshift z = 0.257 at a small projected offset (∼2 kpc). We uncover long-lived X-ray Chandra X-ray Observatory and radio/millimeter (VLA, MeerKAT, and ALMA) afterglow emission, d...

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Main Authors: Genevieve Schroeder, Wen-fai Fong, Charles D. Kilpatrick, Alicia Rouco Escorial, Tanmoy Laskar, Anya E. Nugent, Jillian Rastinejad, Kate D. Alexander, Edo Berger, Thomas G. Brink, Ryan Chornock, Clecio R. de Bom, Yuxin Dong, Tarraneh Eftekhari, Alexei V. Filippenko, Celeste Fuentes-Carvajal, Wynn V. Jacobson-Galán, Matthew Malkan, Raffaella Margutti, Jeniveve Pearson, Lauren Rhodes, Ricardo Salinas, David J. Sand, Luidhy Santana-Silva, Andre Santos, Huei Sears, Manisha Shrestha, Nathan Smith, Wayne Webb, Simon de Wet, Yi Yang
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Gamma-ray bursts
Radio astronomy
Time domain astronomy
Millimeter astronomy
High energy astrophysics
Relativistic jets
Online Access:https://doi.org/10.3847/1538-4357/ada9e5
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