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相关论文: Simulating short GRB jets in late binary neutron s…

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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

The event GW170817/GRB 170817A, discovered via the successful joint observation of its gravitational wave radiation and its multi-wavelength electromagnetic counterparts, was the first definite "smoking-gun" from the merger of two neutron…

高能天体物理现象 · 物理学 2019-05-08 Hou-Jun Lü , Jun Shen , Lin Lan , Jared Rice , Wei-Hua Lei , En-Wei Liang

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 gravitational wave event from the binary neutron star (BNS) merger GW170817 and the following multi-messenger observations present strong evidence for i) merger ejecta expanding with substantial velocities and ii) a relativistic jet…

高能天体物理现象 · 物理学 2020-01-08 Hamid Hamidani , Kenta Kiuchi , Kunihito Ioka

Neutron star mergers produce a substantial amount of fast-moving ejecta, expanding outwardly for years after the merger. The interaction of these ejecta with the surrounding medium may produce a weak isotropic radio remnant, detectable in…

Gravitational waves from a merger of two neutron stars (NSs) were discovered for the first time in GW170817, together with diverse electromagnetic (EM) counterparts. To make constraints on a relativistic jet from the NS merger, we calculate…

高能天体物理现象 · 物理学 2018-04-10 Kunihito Ioka , Takashi Nakamura

The only binary neutron star merger gravitational wave event with detected electromagnetic counterparts recorded to date is GRB170817A. This merger occurred in a rarefied medium with a density smaller than $10^{-3}-10^{-2}~{\rm cm}^{-3}$.…

高能天体物理现象 · 物理学 2021-02-22 Raphaël Duque , Paz Beniamini , Frédéric Daigne , Robert Mochkovitch

We show the peak magnitude for orphan afterglows from the jets of gravitational wave (GW) detected black-hole/neutron star - neutron star (BH/NS-NS) mergers highly depends on the jet half-opening angle $\theta_j$. Short $\gamma$-ray bursts…

高能天体物理现象 · 物理学 2017-10-18 Gavin P Lamb , Shiho Kobayashi

Short gamma-ray burst (SGRB) GRB 170817A was found to be related to a binary neutron star (BNS) merger. It is uncertain whether all SGRBs are caused by BNS mergers, and also under what conditions a BNS merger can cause a SGRB. As BNS…

高能天体物理现象 · 物理学 2022-04-06 Minori Shikauchi , Kipp Cannon , Haoxiang Lin , Tomonori Totani , J. Richard Shaw

Inspiraling and merging binary neutron stars are not only important source of gravitational waves, but also promising candidates for coincident electromagnetic counterparts. These systems are thought to be progenitors of short gamma-ray…

高能天体物理现象 · 物理学 2017-11-03 Milton Ruiz , Stuart L. Shapiro

The association of GRB170817A with GW170817 has confirmed the long-standing hypothesis that binary neutron star (BNS) mergers are the progenitors of at least some short gamma-ray bursts (SGRBs). This connection has ushered in an era in…

高能天体物理现象 · 物理学 2021-09-08 Davide Lazzati , Rosalba Perna , Riccardo Ciolfi , Bruno Giacomazzo , Diego Lopez-Camara , Brian Morsony

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…

We present Very Large Array (VLA) and Atacama Large Millimeter/sub-millimeter Array ALMA radio observations of GW\,170817, the first Laser Interferometer Gravitational-wave Observatory (LIGO)/Virgo gravitational wave (GW) event from a…

We present a novel fully Bayesian analysis to constrain short gamma-ray burst jet structures associated with cocoon, wide-angle and simple top-hat jet models, as well as the binary neutron star merger rate. These constraints are made given…

高能天体物理现象 · 物理学 2023-05-12 Fergus Hayes , Ik Siong Heng , Gavin Lamb , En-Tzu Lin , John Veitch , Michael J. Williams

The landmark multi-messenger observations of the binary neutron star (BNS) merger GW170817 provided firm evidence that such mergers can produce short gamma-ray bursts (sGRBs). However, the limited number of BNS detections by current…

高能天体物理现象 · 物理学 2026-02-17 Alessio Ludovico De Santis , Samuele Ronchini , Filippo Santoliquido , Marica Branchesi

In the dawn of the multi-messenger era including gravitational waves, which was marked by the first ever coincident detection of gravitational waves and electromagnetic radiation it is important to lay back and think about established…

高能天体物理现象 · 物理学 2018-08-20 Antonios Nathanail

Short $\gamma$-ray burst (sGRB) jets form in the aftermath of a neutron star merger, drill through disk winds and dynamical ejecta, and extend over four to five orders of magnitude in distance before breaking out of the ejecta. We present…

The binary neutron star merger event GW170817 was detected through both electromagnetic radiation and gravitational waves. Its afterglow emission may have been produced by either a narrow relativistic jet or an isotropic outflow. High…

Short gamma-ray bursts (GRBs) are explosive transients caused by binary mergers of compact objects containing at least one neutron star. Multi-wavelength afterglow observations provide constraints on the physical parameters of the jet, its…

Compact object mergers are promising candidates for the progenitor system of short gamma-ray bursts (GRBs). Using gravitational wave (GW) triggers to identify a merger, any electromagnetic (EM) counterparts from the jet can be used to…

高能天体物理现象 · 物理学 2019-05-22 Gavin P. Lamb , Shiho Kobayashi