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Advanced filters: Author: Samuele Ronchini Clear advanced filters

Spectral index-flux relation for investigating the origins of steep decay in γ-ray bursts

Gamma ray bursts (GRB) are transient events releasing large amount of energy. Here, the authors show a relation between the spectral index and the flux, which allows further investigation of the origin of steep decay in GRBs.

Samuele Ronchini
Gor Oganesyan
Om Sharan Salafia
ResearchOpen Access07 Jul 2021
Nature Communications

Volume: 12, P: 1-9
Exceptionally bright optical emission from a rare and distant gamma-ray burst

A luminous optical flash from GRB 210619B was captured rapidly by robotic telescopes and attributed to an extremely fast, narrow and magnetized jet shocked by propagating into the surrounding medium.

Gor Oganesyan
Sergey Karpov
Michael Prouza
Research11 May 2023
Nature Astronomy

Volume: 7, P: 843-855
Gigaelectronvolt emission from a compact binary merger

The observation of transient-like gigaelectronvolt emission in the high-energy gamma-rays of GRB 211211A, from the merger of two compact binary objects, is reported.

Alessio Mei
Biswajit Banerjee
Pawan Tiwari
Research07 Dec 2022
Nature

Volume: 612, P: 236-239