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The post-merger gravitational wave (GW) radiation of the remnant formed in the binary neutron star (BNS) coalescence has not been directly measured, yet. We show in this work that the properties of the BNS involved in GW170817, additionally…

高能天体物理现象 · 物理学 2020-12-04 Yi-Zhong Fan , Jin-Liang Jiang , Shao-Peng Tang , Zhi-Ping Jin , Da-Ming Wei

The historical detection of gravitational waves emitted from the binary neutron star merger GW170817 has opened the new era of multi-messenger astronomy. Since then, many other significant discoveries -- both on heaven and earth -- are…

核理论 · 物理学 2022-10-19 J. Piekarewicz

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

The first detection of gravitational waves from a binary neutron star merger (GW170817) and the accompanying electromagnetic emission has impressively advanced our understanding of the merger process and has set some first constraints on…

广义相对论与量子宇宙学 · 物理学 2020-02-05 Andreas Bauswein , Nikolaos Stergioulas

The LIGO and Virgo detectors have directly observed gravitational waves from mergers of pairs of stellar-mass black holes, along with a smaller number of mergers involving neutron stars. These observations raise the hope that compact object…

高能天体物理现象 · 物理学 2022-05-11 Ilya Mandel , Alison Farmer

Following the wealth of new results enabled by multimessenger observations of the binary neutron star (BNS) merger GW170817, the next goal is increasing the number of detections of electromagnetic (EM) counterparts to gravitational wave…

高能天体物理现象 · 物理学 2026-02-17 Ravjit Kaur , Brendan O'Connor , Antonella Palmese , Keerthi Kunnumkai

Our knowledge and understanding of the Universe is mainly based on observations of the electromagnetic radiation in a wide range of wavelengths. Only during the past two decades, new kinds of detectors have been developed, exploiting other…

高能天体物理现象 · 物理学 2019-06-11 Maurizio Spurio

The multi-messenger detection of the binary neutron star (NS) merger GW170817 has revolutionized the field of gravitational wave (GW) astronomy. However, several important questions remain to be answered. One of these is the nature of the…

广义相对论与量子宇宙学 · 物理学 2026-04-15 Tanazza Khanam , Alessandra Corsi , Robert Coyne , Michael St. Pierre

We introduce an efficient and straightforward technique for rapidly detecting gravitational waves from compact binary mergers. We show that this method achieves the low latencies required to alert electromagnetic partners of candidate…

广义相对论与量子宇宙学 · 物理学 2018-08-08 Alexander H. Nitz , Tito Dal Canton , Derek Davis , Steven Reyes

We investigate the merging rates of compact binaries in galaxies, and the related detection rate of gravitational wave (GW) events with AdvLIGO/Virgo and with the Einstein Telescope. To this purpose, we rely on three basic ingredients: (i)…

星系天体物理 · 物理学 2019-09-04 L. Boco , A. Lapi , S. Goswami , F. Perrotta , C. Baccigalupi , L. Danese

Mergers of binary neutron stars (BNSs) emit signals in both the gravitational-wave (GW) and electromagnetic (EM) spectra. Famously, the 2017 multi-messenger observation of GW170817 led to scientific discoveries across cosmology, nuclear…

Following the historical observation of GW170817 and its electromagnetic follow-up, new neutron star merger afterglows are expected to be observed as counterparts to gravitational wave signals during the next science runs of the…

高能天体物理现象 · 物理学 2020-03-25 Raphaël Duque , Robert Mochkovitch , Frédéric Daigne

Binary neutron-star mergers will predominantly produce black-hole remnants of mass $\sim 3-4\,M_{\odot}$, thus populating the putative \emph{low mass gap} between neutron stars and stellar-mass black holes. If these low-mass black holes are…

广义相对论与量子宇宙学 · 物理学 2026-01-05 Anuradha Gupta , Davide Gerosa , K. G. Arun , Emanuele Berti , Will Farr , B. S. Sathyaprakash

The first detection of a binary neutron star merger through gravitational waves and photons marked the dawn of multi-messenger astronomy with gravitational waves, and it greatly increased our insight in different fields of astrophysics and…

高能天体物理现象 · 物理学 2021-07-01 Stefano Ascenzi , Gor Oganesyan , Marica Branchesi , Riccardo Ciolfi

Neutron stars (NSs) are extraordinary not only because they are the densest form of matter in the visible Universe but also because they can generate B-fields ten orders of magnitude larger than those currently constructed on Earth. The…

高能天体物理现象 · 物理学 2021-04-09 Milton Ruiz , Stuart L. Shapiro , Antonios Tsokaros

The detection of electromagnetic radiation (EM) accompanying the gravitational wave (GW) signal from the binary neutron star (BNS) merger GW170817 has revealed that these systems constitute at least a fraction of the progenitors of short…

GW170817 was the first ever joint detection of gravitational waves (GW) from a binary neutron star (BNS) merger with the detections of short $\gamma$-ray burst (SGRB) counterparts. Analysis of the multi-band afterglow observations of over…

高能天体物理现象 · 物理学 2020-01-31 M. Saleem

Observations of short-duration gamma-ray bursts and their afterglows show that a good fraction (perhaps $\gtrsim50\%$) of binary neutron star mergers lead to strongly magnetized, rapidly rotating pulsars (including millisecond magnetars),…

高能天体物理现象 · 物理学 2019-02-22 Z. G. Dai

Multimessenger astronomy incorporating gravitational radiation is a new and exciting field that will potentially provide significant results and exciting challenges in the near future. With advanced interferometric gravitational wave…

广义相对论与量子宇宙学 · 物理学 2019-08-13 N. L. Christensen

The advanced gravitational wave (GW) detector network has started {routine detection of } signals from merging compact binaries. Data indicate that in a fair fraction of these sources, at least one component was a neutron star, bringing…

高能天体物理现象 · 物理学 2022-09-29 Akshat Singhal , Sourav Palit , Suman Bala , Gaurav Waratkar , Harsh Kumar , Varun Bhalerao