A kilonova following a long-duration gamma-ray burst at 350 Mpc

JC Rastinejad, BP Gompertz, AJ Levan, W Fong… - Nature, 2022 - nature.com
Gamma-ray bursts (GRBs) are divided into two populations,; long GRBs that derive from the
core collapse of massive stars (for example, ref.) and short GRBs that form in the merger of …

Short GRB host galaxies. II. A legacy sample of redshifts, stellar population properties, and implications for their neutron star merger origins

AE Nugent, WF Fong, Y Dong, J Leja… - The Astrophysical …, 2022 - iopscience.iop.org
We present the stellar population properties of 69 short gamma-ray burst (GRB) host
galaxies, representing the largest uniformly modeled sample to date. Using the Prospector …

Eighteen Years of Kilonova Discoveries with Swift

E Troja - Universe, 2023 - mdpi.com
Swift has now completed 18 years of mission, during which it discovered thousands of
gamma-ray bursts as well as new classes of high-energy transient phenomena. Its first …

The Ep,iEiso correlation: type I gamma-ray bursts and the new classification method

PY Minaev, AS Pozanenko - Monthly Notices of the Royal …, 2020 - academic.oup.com
We present the most extensive sample of 45 type I (short) and 275 type II (long) gamma-ray
bursts (GRBs) with known redshift to investigate the correlation between the rest-frame peak …

A deep survey of short GRB host galaxies over z ∼ 0–2: implications for offsets, redshifts, and environments

B O'Connor, E Troja, S Dichiara… - Monthly Notices of …, 2022 - academic.oup.com
ABSTRACT A significant fraction (30 per cent) of well-localized short gamma-ray bursts
(sGRBs) lack a coincident host galaxy. This leads to two main scenarios:(i) that the …

Searching for electromagnetic counterparts to gravitational-wave merger events with the prototype Gravitational-Wave Optical Transient Observer (GOTO-4)

BP Gompertz, R Cutter, D Steeghs… - Monthly Notices of …, 2020 - academic.oup.com
We report the results of optical follow-up observations of 29 gravitational-wave (GW) triggers
during the first half of the LIGO–Virgo Collaboration (LVC) O3 run with the Gravitational …

Mergers of binary neutron star systems: a multimessenger revolution

E Pian - Frontiers in Astronomy and Space Sciences, 2021 - frontiersin.org
On August 17, 2017, less than two years after the direct detection of gravitational radiation
from the merger of two∼ 30 M⊙ black holes, a binary neutron star merger was identified as …

The afterglow and kilonova of the short GRB 160821B

E Troja, AJ Castro-Tirado… - Monthly Notices of …, 2019 - academic.oup.com
ABSTRACT GRB 160821B is a short duration gamma-ray burst (GRB) detected and
localized by the Neil Gehrels Swift Observatory in the outskirts of a spiral galaxy at z …

Formation and evolution of binary neutron stars: mergers and their host galaxies

Q Chu, S Yu, Y Lu - Monthly Notices of the Royal Astronomical …, 2022 - academic.oup.com
In this paper, we investigate the properties of binary neutron stars (BNSs) and their mergers
by combining population synthesis models for binary stellar evolution (BSE) with …

Probing kilonova ejecta properties using a catalog of short gamma-ray burst observations

JC Rastinejad, W Fong, CD Kilpatrick… - The Astrophysical …, 2021 - iopscience.iop.org
The discovery of GW170817 and GRB 170817A in tandem with AT 2017gfo cemented the
connection between neutron star mergers, short gamma-ray bursts (GRBs), and kilonovae …