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 …

Properties of the extremely energetic grb 221009a from konus-wind and srg/art-xc observations

D Frederiks, D Svinkin, AL Lysenko… - The Astrophysical …, 2023 - iopscience.iop.org
We report on Konus-WIND (KW) and Mikhail Pavlinsky Astronomical Roentgen Telescope–
X-ray Concentrator (ART-XC) observations and analysis of a nearby GRB 221009A, the …

GRANDMA and HXMT Observations of GRB 221009A: The Standard Luminosity Afterglow of a Hyperluminous Gamma-Ray Burst—In Gedenken an David Alexander …

DA Kann, S Agayeva, V Aivazyan… - The Astrophysical …, 2023 - iopscience.iop.org
Object GRB 221009A is the brightest gamma-ray burst (GRB) detected in more than 50 yr of
study. In this paper, we present observations in the X-ray and optical domains obtained by …

Swift/UVOT: 18 Years of Long GRB Discoveries and Advances

S Oates - Universe, 2023 - mdpi.com
The Neil Gehrels Swift Observatory (Swift) has been in operation for 18 years. The Ultra-
Violet/Optical Telescope (UVOT) onboard Swift was designed to capture the earliest …

The role of magnetar transient activity in time-domain and multimessenger astronomy

M Negro, G Younes, Z Wadiasingh, E Burns… - Frontiers in Astronomy …, 2024 - frontiersin.org
Time-domain and multimessenger astronomy (TDAMM) involves the study of transient and
time-variable phenomena across various wavelengths and messengers. The Astro2020 …

Observation of GRB 221009A Early Afterglow in X-Ray/Gamma-Ray Energy Bands

C Zheng, YQ Zhang, SL Xiong, CK Li… - The Astrophysical …, 2024 - iopscience.iop.org
The early afterglow of a gamma-ray burst (GRB) can provide critical information on the jet
and progenitor of the GRB. The extreme brightness of GRB 221009A allows us to probe its …

AGILE Gamma-ray Detection of the Exceptional GRB 221009A

M Tavani, G Piano, A Bulgarelli, L Foffano… - The Astrophysical …, 2023 - iopscience.iop.org
Gamma-ray emission in the MeV–GeV range from explosive cosmic events is of invaluable
relevance to understanding physical processes related to the formation of neutron stars and …

In-orbit background and sky survey simulation study of polar-2/lpd

ZK Feng, HB Liu, F Xie, HB Feng, QN Mai… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract The Low-Energy X-ray Polarization Detector (LPD) is one of the payloads in the
POLAR-2 experiment, designed as an external payload for the China Space Station …

Machine-learning enhanced photometric analysis of the extremely bright GRB 210822A

C Angulo-Valdez, RL Becerra, M Pereyra… - Monthly Notices of …, 2024 - academic.oup.com
We present analytical and numerical models of the bright long GRB 210822A at z= 1.736.
The intrinsic extreme brightness exhibited in the optical, which is very similar to other bright …

Gas microchannel plate-pixel detector for X-ray polarimetry

HB Feng, HB Liu, D Wang, ZL Li, SL Liu, Q Liu… - Nuclear Science and …, 2024 - Springer
POLAR-2 is a gamma-ray burst (GRB) polarimeter that is designed to study the polarization
in GRB radiation emissions, aiming to improve our knowledge of related mechanisms …