activity
20222026
most citedExtreme Variability in a Long Duration Gamma-ray Burst Associated with a Kilonova

23 citations · 49 across the 15 of their papers we have counts for

collaborators

16 papers

astro-ph.IM2026

A framework for rotational-parameter estimation and uncertainty quantification in high-energy pulsars

Akshat Singhal, Rohit Nair, Devendra Sahu +2

We present a -based framework for estimating the spin frequency and frequency derivative of high-energy pulsars from Poisson-limited photon event lists. The key point is tha…

astro-ph.HE2025

From Rare Events to a Population: Discovering Overlooked Extragalactic Magnetar Giant Flare Candidates in Archival Fermi Gamma-ray Burst Monitor Data

Aaron C. Trigg, Eric Burns, Michela Negro +16

Magnetar giant flares (MGFs) are rare, extremely bright bursts of gamma-rays from highly magnetized neutron stars. These events are challenging to identify because, at extragalacti…

astro-ph.HE2025★ 12 cited

GRB 250702B: Discovery of a Gamma-Ray Burst from a Black Hole Falling into a Star

Eliza Neights, Eric Burns, Chris L. Fryer +52

Gamma-ray bursts are the most luminous electromagnetic events in the universe. Their prompt gamma-ray emission has typical durations between a fraction of a second and several minu…

astro-ph.HE2025

Fermi-GBM Observations of GRB 230307A: An Exceptionally Bright Long-Duration Gamma-ray Burst with an Associated Kilonova

S. Dalessi, P. Veres, C. M. Hui +22

On March 7th, 2023 the \textit{Fermi} Gamma-ray Burst Monitor observed the second highest fluence gamma-ray burst (GRB) ever, GRB~230307A. With a duration beyond 100~s, GRB~230307A…

astro-ph.HE2025★ 4 cited

GRB 241105A: A test case for GRB classification and rapid r-process nucleosynthesis channels

Dimple, B. P. Gompertz, A. J. Levan +85

Gamma-ray bursts (GRBs) offer a powerful window to probe the progenitor systems responsible for the formation of heavy elements through the rapid neutron capture (r-) process, than…

astro-ph.HE2024

"Bursts, Beats, and Beyond": Uncovering the landscape from accretion to ignition of 4U 1728-34 using AstroSat

Anirudh Salgundi, Suman Bala, Gayathri Raman +2

A comprehensive study on persistent and thermonuclear burst emission of 4U 1728-34, commonly known as 'Slow Burster' is performed using seven archival observations of AstroSat span…

astro-ph.HE2024

Investigating Polarization characteristics of GRB200503A and GRB201009A

Divita Saraogi, Suman Bala, Jitendra Joshi +18

We present results of a comprehensive analysis of the polarization characteristics of GRB 200503A and GRB 201009A observed with the Cadmium Zinc Telluride Imager (CZTI) on board As…

astro-ph.HE2024

Fermi-GBM Team Analysis on The Ravasio Line

Eric Burns, Stephen Lesage, Adam Goldstein +20

The prompt spectra of gamma-ray bursts are known to follow broadband continuum behavior over decades in energy. GRB 221009A, given the moniker the brightest of all time (BOAT), is…

astro-ph.HE2024

GRB 221009A: the B.O.A.T Burst that Shines in Gamma Rays

M. Axelsson, M. Ajello, M. Arimoto +151

We present a complete analysis of Fermi Large Area Telescope (LAT) data of GRB 221009A, the brightest Gamma-Ray Burst (GRB) ever detected. The burst emission above 30 MeV detected…

astro-ph.HE2024★ 1 cited

Constraining possible -ray burst emission from GW230529 using Swift-BAT and Fermi-GBM

Samuele Ronchini, Suman Bala, Joshua Wood +35

GW230529 is the first compact binary coalescence detected by the LIGO-Virgo-KAGRA collaboration with at least one component mass confidently in the lower mass-gap, corresponding to…

astro-ph.HE2024

Localisation of Gamma Ray Bursts using AstroSat Mass Model

Divita Saraogi, J Venkata Aditya, Varun Bhalerao +12

The Cadmium Zinc Telluride Imager (CZTI) aboard AstroSat has good sensitivity to Gamma Ray Bursts (GRBs), with close to 600 detections including about 50 discoveries undetected by…

astro-ph.HE2023

Quantifying Period Uncertainty in X-ray Pulsars with Poisson-Limited Data

Akshat Singhal, Ishan Jain, Suman Bala +1

There have been significant developments in the period estimation tools and methods for analysing high energy pulsars in the past few decades. However, these tools lack well-standa…

astro-ph.IM2023★ 5 cited

Prospects of measuring Gamma-ray Burst Polarisation with the Daksha mission

Suman Bala, Sujay Mate, Advait Mehla +11

The proposed Daksha mission comprises of a pair of highly sensitive space telescopes for detecting and characterising high-energy transients such as electromagnetic counterparts of…

astro-ph.HE2023★ 23 cited

Extreme Variability in a Long Duration Gamma-ray Burst Associated with a Kilonova

P. Veres, P. N. Bhat, E. Burns +19

The recent discovery of a kilonova from the long duration gamma-ray burst, GRB 211211A, challenges classification schemes based on temporal information alone. Gamma-ray properties…

astro-ph.HE2022★ 2 cited

Science with the Daksha High Energy Transients Mission

Varun Bhalerao, Disha Sawant, Archana Pai +72

We present the science case for the proposed Daksha high energy transients mission. Daksha will comprise of two satellites covering the entire sky from 1~keV to ~MeV. The prima…

astro-ph.HE2022★ 2 cited

Gravitational Waves and Electromagnetic Transients

Akshat Singhal, Sourav Palit, Suman Bala +3

The advanced gravitational wave (GW) detector network has started {routine detection of } signals from merging compact binaries. Data indicate that in a fair fraction of these sour…