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Neutron star-black hole (NSBH) mergers detected in gravitational waves have the potential to shed light on supernova physics, the dense matter equation of state, and the astrophysical processes that power their potential electromagnetic…

高能天体物理现象 · 物理学 2023-06-22 Sylvia Biscoveanu , Philippe Landry , Salvatore Vitale

The recent multi-messenger discovery of binary neutron star (BNS) merger GW170817 showed that $\gamma$-ray emission in short GRBs is wider than the central energetic narrow cone, and weakly expands out to tens of degrees. Here we explore…

高能天体物理现象 · 物理学 2018-08-21 Nihar Gupte , Imre Bartos

A major boost in the understanding of the universe was given by the revelation of the first coalescence event of two neutron stars (GW170817) and the observation of the same event across the entire electromagnetic spectrum. With 3rd…

高能天体物理现象 · 物理学 2021-10-20 Elena Cuoco , Barbara Patricelli , Alberto Iess , Filip Morawski

X-ray observations of some short gamma-ray bursts indicate that a long-lived neutron star can form as a remnant of a binary neutron star merger. We develop a gravitational-wave detection pipeline for a long-lived binary neutron star merger…

高能天体物理现象 · 物理学 2018-08-21 Nikhil Sarin , Paul D. Lasky , Letizia Sammut , Greg Ashton

Multi-messenger observations of neutron star (NS) mergers have the potential to revolutionize nuclear astrophysics. They will improve our understanding of nucleosynthesis, provide insights about the equation of state (EOS) of…

核理论 · 物理学 2019-06-24 I. Tews , J. Margueron , S. Reddy

The tidal deformability probability distribution extracted from GW170817 alone, or including multi-messenger information, is confronted to astrophysical and nuclear physics additional constraints within a semi-agnostic approach for the…

核理论 · 物理学 2020-07-31 H. Güven , K. Bozkurt , E. Khan , J. Margueron

The first, long awaited, detection of a gravitational wave (GW) signal from the merger of a binary neutron-star (NS-NS) system was finally achieved (GW$\,$170817), and was also accompanied by an electromagnetic counterpart -- the…

高能天体物理现象 · 物理学 2017-12-06 Jonathan Granot , Dafne Guetta , Ramandeep Gill

The existence of merging black hole-neutron star (BHNS) binaries has been ascertained through the observation of their gravitational wave (GW) signals. However, to date, no definitive electromagnetic (EM) emission has been confidently…

The gravitational waves from the first binary neutron star merger, GW170817, were accompanied by a multi-wavelength electromagnetic counterpart, from $\gamma$-rays to radio. The accompanying gamma-rays, seems at first to confirm the…

高能天体物理现象 · 物理学 2018-10-31 Ehud Nakar , Ore Gottlieb , Tsvi Piran , Mansi M. Kasliwal , Greg Hallinan

The almost simultaneous detection of GRB170817A and GW170817 ushered in nearly a decade of interest in binary neutron star mergers and their multi-messenger signals, resulting in a greater understanding of the processes that produce…

高能天体物理现象 · 物理学 2025-09-17 Nathan Walker , Davide Lazzati , Tyler Parsotan , Rosalba Perna

We present a search for binary neutron star mergers that produced gravitational-waves during the first observing run of Advanced LIGO and gamma-ray emission seen by either \textit{Swift}-BAT or Fermi-GBM, similar to GW170817 and GRB…

高能天体物理现象 · 物理学 2019-06-11 Alexander H. Nitz , Alex B. Nielsen , Collin D. Capano

The contemporaneous detection of gravitational waves and gamma rays from the GW170817/GRB 170817A, followed by kilonova emission a day after, confirmed compact binary neutron-star mergers as progenitors of short-duration gamma-ray bursts…

On August 17, 2017, Advanced LIGO and Virgo observed GW170817, the first gravitational-wave (GW) signal from a binary neutron star merger. It was followed by a short-duration gamma-ray burst, GRB 170817A, and by a non-thermal afterglow…

高能天体物理现象 · 物理学 2023-06-14 Giulia Gianfagna , Luigi Piro , Francesco Pannarale , Hendrik Van Eerten , Fulvio Ricci , Geoffrey Ryan , Eleonora Troja

Here, we report the discovery of a kilonova associated with the nearby (350 Mpc) minute-duration GRB 211211A. In tandem with deep optical limits that rule out the presence of an accompanying supernova to $M_I > -13$ mag at 17.7 days…

Recent discoveries of long gamma-ray bursts accompanied by kilonova emission prompted interest in understanding their progenitors. If these long-duration bursts arise from neutron star mergers, similar to short gamma-ray bursts, it raises…

高能天体物理现象 · 物理学 2025-06-24 Hsin-Yu Chen , Ore Gottlieb

The detection of GW170817, it's extensive multi-wavelength follow-up campaign, and the large amount of theoretical development and interpretation that followed, have resulted in a significant step forward in the understanding of the binary…

高能天体物理现象 · 物理学 2020-11-20 Davide Lazzati

GW170817-GRB 170817A provided the first observation of gravitational waves from a neutron star merger with associated transient counterparts across the entire electromagnetic spectrum. This discovery demonstrated the long-hypothesized…

广义相对论与量子宇宙学 · 物理学 2024-03-07 M. Pillas , T. Dal Canton , C. Stachie , B. Piotrzkowski , F. Hayes , R. Hamburg , E. Burns , J. Wood , P. A. Duverne , N. Christensen

The observations of optical and near-infrared counterparts of binary neutron star mergers not only enrich our knowledge about the abundance of heavy elements in the Universe, or help reveal the remnant object just after the merger as…

高能天体物理现象 · 物理学 2023-02-09 Zhenyu Zhu , Ang Li , Tong Liu

Multimessenger observations of the binary neutron star merger GW170817 have enabled the discovery of a diverse array of electromagnetic counterparts to compact binary mergers, including an unambiguous kilonova, a short gamma-ray burst, and…