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Fast radio bursts (FRBs) are mysterious bright millisecond-duration radio bursts at cosmological distances. While young magnetars have been put forward as the leading source candidate, recent observations suggest there may be multiple FRB…

高能天体物理现象 · 物理学 2022-12-02 Alexandra Moroianu , Linqing Wen , Clancy W. James , Shunke Ai , Manoj Kovalam , Fiona Panther , Bing Zhang

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. * The detection of a spatially coincident weak burst…

高能天体物理现象 · 物理学 2021-12-01 Raffaella Margutti , Ryan Chornock

The Einstein Telescope (ET) is going to bring a revolution for the future of multi-messenger astrophysics. In order to detect the counterparts of binary neutron star (BNS) mergers at high redshift, the high-energy observations will play a…

We present a subthreshold search for gravitational-wave inspirals from binary neutron stars using data from the first part of the fourth observing run of the LIGO-Virgo-KAGRA Collaboration. To enhance sensitivity to this targeted…

On August 17, 2017 at 12:41:04 UTC the Advanced LIGO and Advanced Virgo gravitational-wave detectors made their first observation of a binary neutron star inspiral. The signal, GW170817, was detected with a combined signal-to-noise ratio of…

广义相对论与量子宇宙学 · 物理学 2017-10-17 The LIGO Scientific Collaboration , The Virgo Collaboration

We have performed detailed population synthesis on a large number (20 million) of binary systems in order to investigate the properties of massive double degenerate binaries. We have included new important results in our input physics in…

天体物理学 · 物理学 2010-12-09 Rasmus Voss , Thomas M. Tauris

The LIGO and Virgo scientific collaboration (LVC) alerted two binary neutron star (BNS) merger candidates, S190425z and S190426c. Fermi-GBM observed 55.6\% (for S190425z) and 100\% (for S190426c) of the probability regions of both events at…

高能天体物理现象 · 物理学 2019-09-04 Hao-Ran Song , Shun-Ke Ai , Min-Hao Wang , Nan Xing , He Gao , Bing Zhang

Multi-messenger astronomy was galvanized by the detection of gravitational waves (GWs) from the binary neutron star (BNS) merger GW170817 and electromagnetic (EM) emission from the subsequent kilonova and short gamma ray burst. Maximizing…

高能天体物理现象 · 物理学 2025-12-02 Nathan Steinle , Samar Safi-Harb , Matt Nicholl , Isabelle Worssam , Benjamin P. Gompertz

Third-generation gravitational wave (GW) observatories such as the Einstein Telescope (ET) and Cosmic Explorer (CE) will detect hundreds of thousands of binary neutron star (BNS) mergers, reaching redshifts beyond $z\sim3$. To fully exploit…

高能天体物理现象 · 物理学 2026-01-14 S. Bisero , S. D. Vergani , E. Loffredo , M. Branchesi , N. Hazra , U. Dupletsa , R. I. Anderson

On 17 August 2017, less than two years after the direct detection of gravitational radiation from the merger of two ~30 Msun black holes, a binary neutron star merger was identified as the source of a gravitational wave signal of ~100 s…

高能天体物理现象 · 物理学 2021-01-12 Elena Pian

GW170817 is the first gravitational wave detection of a binary neutron star merger. It was accompanied by radiation across the electromagnetic spectrum and localized to the galaxy NGC 4993 at a distance of 40 Mpc. It has been proposed that…

Electromagnetic (EM) follow-up of gravitational wave (GW) candidates is important for verifying their astrophysical nature and studying their physical properties. While the next generation of GW detectors will have improved sensitivities to…

高能天体物理现象 · 物理学 2014-05-27 L. Feng , R. Vaulin , J. N. Hewitt

Very recently, the gravitational-wave (GW) event GW170817 was discovered to be associated with the short gamma-ray burst (GRB) 170817A. Multi-wavelength follow-up observations were carried out, and X-ray, optical, and radio counterparts to…

高能天体物理现象 · 物理学 2017-12-13 Di Xiao , Liang-Duan Liu , Zi-Gao Dai , Xue-Feng Wu

The nature of the remnant of a binary neutron star (BNS) merger is uncertain. Though certainly a black hole (BH) in the cases of the most massive BNSs, X-ray lightcurves from gamma-ray burst (GRB) afterglows suggest a neutron star (NS) as a…

The joint detection of the gravitational wave (GW) event GW170817 and the short-duration gamma-ray burst (SGRB) event GRB 170817A, marked the beginning of GW multi-messenger astronomy and confirmed that binary neutron star mergers are…

高能天体物理现象 · 物理学 2024-05-31 Luyanda Mazwi , Soebur Razzaque , Lutendo Nyadzani

Observations of the gravitational-wave (GW) event S190425z registered by the LIGO/Virgo detectors with the Anti-Coincidence Shield (ACS) of the gamma-ray spectrometer SPI aboard the INTEGRAL observatory are presented. With a high…

高能天体物理现象 · 物理学 2020-02-13 A. S. Pozanenko , P. Yu. Minaev , S. A. Grebenev , I. V. Chelovekov

We discuss observational strategies to detect prompt bursts associated with gravitational wave events using the Australian Square Kilometre Array Pathfinder (ASKAP). Many theoretical models of binary neutron stars mergers predict that…

天体物理仪器与方法 · 物理学 2020-12-09 Ziteng Wang , Tara Murphy , David L. Kaplan , Keith W. Bannister , Dougal Dobie

The multi-messenger data of neutron star merger events are promising for constraining the Hubble constant. So far, GW170817 is still the unique gravitational wave event with multi-wavelength electromagnetic counterparts. In particular, its…

高能天体物理现象 · 物理学 2023-02-01 Yi-Ying Wang , Shao-Peng Tang , Zhi-Ping Jin , Yi-Zhong Fan

The question "what is the observable electromagnetic (EM) signature of a compact binary merger?" is an intriguing one with crucial consequences to the quest for gravitational waves (GW). Compact binary mergers are prime sources of GW,…

高能天体物理现象 · 物理学 2015-03-18 Ehud Nakar , Tsvi Piran

On April 25th, 2019, the LIGO-Virgo Collaboration discovered a Gravitational-wave (GW) signal from a binary neutron star (BNS) merger, i.e., GW190425. Due to the inferred large total mass, the origin of GW190425 remains unclear. We perform…