Late-time HST and JWST Observations of GRB 221009A: Evidence for a Break in the Light Curve at 50 days

Late-time HST and JWST Observations of GRB 221009A: Evidence for a Break in the Light Curve at 50 days

GRB 221009A is one of the brightest transients ever observed, with the highest peak gamma-ray flux for a gamma-ray burst (GRB). A Type Ic-BL supernova (SN), SN 2022xiw, was definitively detected in late-time JWST spectroscopy ( t = 195 days, observer frame). However, photometric studies have found S...

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Bibliographic Details
Main Authors: Huei Sears, Ryan Chornock, Peter K. Blanchard, Raffaella Margutti, V. Ashley Villar, Justin Pierel, Patrick J. Vallely, Kate D. Alexander, Edo Berger, Tarraneh Eftekhari, Wynn V. Jacobson-Galán, Tanmoy Laskar, Natalie LeBaron, Brian D. Metzger, Dan Milisavljevic
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Gamma-ray bursts
Core-collapse supernovae
Supernovae
High energy astrophysics
HST photometry
Hubble Space Telescope
Online Access:https://doi.org/10.3847/1538-4357/adc306
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