Gamma-Ray Bursts Afterglow Physics and the VHE Domain

D Miceli, L Nava - Galaxies, 2022 - mdpi.com
Afterglow radiation in gamma-ray bursts (GRB), extending from the radio band to GeV
energies, is produced as a result of the interaction between the relativistic jet and the …

Fermi-GBM discovery of GRB 221009A: An extraordinarily bright GRB from onset to afterglow

S Lesage, P Veres, MS Briggs… - The Astrophysical …, 2023 - iopscience.iop.org
We report the discovery of GRB 221009A, the highest flux gamma-ray burst (GRB) ever
observed by the Fermi Gamma-ray Burst Monitor (Fermi-GBM). This GRB has continuous …

Observation of inverse Compton emission from a long γ-ray burst

P Veres, PN Bhat, MS Briggs, WH Cleveland… - Nature, 2019 - nature.com
Long-duration γ-ray bursts (GRBs) originate from ultra-relativistic jets launched from the
collapsing cores of dying massive stars. They are characterized by an initial phase of bright …

GRB polarization: a unique probe of GRB physics

R Gill, M Kole, J Granot - Galaxies, 2021 - mdpi.com
Over half a century from the discovery of gamma-ray bursts (GRBs), the dominant radiation
mechanism responsible for their bright and highly variable prompt emission remains poorly …

Gamma-Ray Bursts at TeV Energies: Theoretical Considerations

R Gill, J Granot - Galaxies, 2022 - mdpi.com
Gamma-ray bursts (GRBs) are the most luminous explosions in the Universe and are
powered by ultra-relativistic jets. Their prompt γ-ray emission briefly outshines the rest of the …

The supernova of the MAGIC gamma-ray burst GRB 190114C

A Melandri, L Izzo, E Pian, DB Malesani… - Astronomy & …, 2022 - aanda.org
We observed GRB 190114C (redshift z= 0.4245), the first gamma-ray burst (GRB) ever
detected at TeV energies, at optical and near-infrared wavelengths with several ground …

Extreme variability in a long-duration gamma-ray burst associated with a kilonova

P Veres, PN Bhat, E Burns, R Hamburg… - The Astrophysical …, 2023 - iopscience.iop.org
The recent discovery of a kilonova from the long-duration gamma-ray burst (GRB) GRB
211211A challenges classification schemes based on temporal information alone. Gamma …

Neutrino signal dependence on gamma-ray burst emission mechanism

T Pitik, I Tamborra, M Petropoulou - Journal of Cosmology and …, 2021 - iopscience.iop.org
Long duration gamma-ray bursts (GRBs) are among the least understood astrophysical
transients powering the high-energy universe. To date, various mechanisms have been …

Lowly polarized light from a highly magnetized jet of GRB 190114C

N Jordana-Mitjans, CG Mundell… - The Astrophysical …, 2020 - iopscience.iop.org
We report multicolor optical imaging and polarimetry observations of the afterglow of the first
TeV-detected gamma-ray burst (GRB), GRB 190114C, using the RINGO3 and MASTER II …

Off-axis jet scenario for early afterglow emission of low-luminosity gamma-ray burst GRB 190829A

Y Sato, K Obayashi, R Yamazaki… - Monthly Notices of the …, 2021 - academic.oup.com
ABSTRACT Recently, ground-based Imaging Atmospheric Cherenkov Telescopes have
reported the detection of very-high-energy (VHE) gamma-rays from some gamma-ray bursts …