First multimessenger observations of a neutron star merger
R Margutti, R Chornock - Annual Review of Astronomy and …, 2021 - annualreviews.org
We describe the first observations of the same celestial object with gravitational waves and
light.▪ GW170817 was the first detection of a neutron star merger with gravitational waves.▪ …
light.▪ GW170817 was the first detection of a neutron star merger with gravitational waves.▪ …
Multi-messenger astrophysics of black holes and neutron stars as probed by ground-based gravitational wave detectors: from present to future
The ground-based gravitational wave (GW) detectors LIGO and Virgo have enabled the birth
of multi-messenger GW astronomy via the detection of GWs from merging stellar-mass black …
of multi-messenger GW astronomy via the detection of GWs from merging stellar-mass black …
Two years of nonthermal emission from the binary neutron star merger GW170817: rapid fading of the jet afterglow and first constraints on the kilonova fastest ejecta
A Hajela, R Margutti, KD Alexander… - The Astrophysical …, 2019 - iopscience.iop.org
Abstract We present Chandra and Very Large Array observations of GW170817 at∼ 521–
743 days post-merger, and a homogeneous analysis of the entire Chandra data set. We find …
743 days post-merger, and a homogeneous analysis of the entire Chandra data set. We find …
Afterglow light curves from misaligned structured jets
ABSTRACT GRB 170817A/GW 170817 is the first gamma-ray burst (GRB) clearly viewed far
from the GRB jet's symmetry axis. Its afterglow was densely monitored over a wide range of …
from the GRB jet's symmetry axis. Its afterglow was densely monitored over a wide range of …
A thousand days after the merger: Continued X-ray emission from GW170817
Recent observations with the Chandra X-ray telescope continue to detect X-ray emission
from the transient GW170817. In a total exposure of 96.6 ks, performed between 2020 March …
from the transient GW170817. In a total exposure of 96.6 ks, performed between 2020 March …
A collapsar origin for GRB 211211A is (just barely) possible
J Barnes, BD Metzger - The Astrophysical Journal, 2023 - iopscience.iop.org
Gamma-ray bursts (GRBs) have historically been divided into two classes. Short-duration
GRBs are associated with binary neutron star mergers (NSMs), while long-duration bursts …
GRBs are associated with binary neutron star mergers (NSMs), while long-duration bursts …
GW170817 4.5 Yr After Merger: Dynamical Ejecta Afterglow Constraints
A Balasubramanian, A Corsi, KP Mooley… - The Astrophysical …, 2022 - iopscience.iop.org
GW170817 is the first binary neutron star (NS) merger detected in gravitational waves (GWs)
and photons, and so far remains the only GW event of its class with a definitive …
and photons, and so far remains the only GW event of its class with a definitive …
3D magnetized jet break-out from neutron-star binary merger ejecta: afterglow emission from the jet and the ejecta
A Nathanail, R Gill, O Porth, CM Fromm… - Monthly Notices of the …, 2021 - academic.oup.com
We perform 3D general-relativistic magnetohydrodynamic simulations to model the jet break-
out from the ejecta expected to be produced in a binary neutron-star merger. The structure of …
out from the ejecta expected to be produced in a binary neutron-star merger. The structure of …
The panchromatic afterglow of GW170817: the full uniform data set, modeling, comparison with previous results, and implications
S Makhathini, KP Mooley, M Brightman… - The Astrophysical …, 2021 - iopscience.iop.org
We present the full panchromatic afterglow light-curve data of GW170817, including new
radio data as well as archival optical and X-ray data, between 0.5 and 940 days post …
radio data as well as archival optical and X-ray data, between 0.5 and 940 days post …
The late afterglow of GW170817/GRB 170817A: a large viewing angle and the shift of the Hubble constant to a value more consistent with the local measurements
The multimessenger data of neutron star merger events are promising for constraining the
Hubble constant. So far, GW170817 is still the unique gravitational wave event with …
Hubble constant. So far, GW170817 is still the unique gravitational wave event with …