A radio counterpart to a neutron star merger by Hallinan, G, Corsi, A, Mooley, KP, Hotokezaka, K, Nakar, E, Kasliwal, MM, Kaplan, DL, Frail, DA, Myers, ST, Murphy, T, De, K, Dobie, D, Allison, JR, Bannister, KW, Bhalerao, V, Chandra, P, Clarke, TE, Giacintucci, S, Ho, AYQ, Horesh, A, Kassim, NE, Kulkarni, SR, Lenc, E, Lockman, FJ, Lynch, C, Nichols, D, Nissanke, S, Palliyaguru, N, Peters, WM, Piran, T, Rana, J, Sadler, EM, Singer, LP

“…Gravitational waves have been detected from a binary neutron star merger event, GW170817. The detection of electromagnetic radiation from the same source has shown that the merger occurred in the outskirts of the galaxy NGC 4993, at a distance of 40 megaparsecs from Earth. …”

Deep Multimessenger Search for Compact Binary Mergers in LIGO, Virgo, and Fermi/GBM Data from 2016–2017 by Marion Pillas, Tito Dal Canton, Cosmin Stachie, Brandon Piotrzkowski, Fergus Hayes, Rachel Hamburg, Eric Burns, Joshua Wood, Pierre-Alexandre Duverne, Nelson Christensen

“…GW170817–GRB 170817A provided the first observation of gravitational waves from a neutron star merger with associated transient counterparts across the entire electromagnetic spectrum. …”
Get full text

A luminous blue kilonova and an off-axis jet from a compact binary merger at z = 0.1341 by E. Troja, G. Ryan, L. Piro, H. van Eerten, S. B. Cenko, Y. Yoon, S.-K. Lee, M. Im, T. Sakamoto, P. Gatkine, A. Kutyrev, S. Veilleux

“…A faint gamma-ray burst (GRB 170817A) has been recently detected in coincidence with the gravitational wave (GW) event GW 170817. …”
Get full text

Multimodal Analysis of Gravitational Wave Signals and Gamma-Ray Bursts from Binary Neutron Star Mergers by Elena Cuoco, Barbara Patricelli, Alberto Iess, Filip Morawski

“…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. …”
Get full text

Constraints on scalar–tensor theory of gravity by the recent observational results on gravitational waves by Yungui Gong, Eleftherios Papantonopoulos, Zhu Yi

“…The constraint on the speed of gravitational waves from GW170817 and GRB170817A is used to test some classes of Horndeski theory. …”
Get full text

Deep learning for gravitational wave forecasting of neutron star mergers by Wei Wei, E.A. Huerta

“…This method enables the identification of these signals in real advanced LIGO data up to 30 seconds before merger. When applied to GW170817, our deep learning forecasting method identifies the presence of this gravitational wave signal 10 seconds before merger. …”
Get full text

Properties of strange quark stars with isovector interactions by He Liu, Jun Xu, Che Ming Ko

“…Using the constraint on the vector-isoscalar interaction strength obtained from the elliptic flow splitting between particles and their antiparticles in relativistic heavy-ion collisions, we investigate the dependence of the properties of strange quark stars on the vector-isovector and the scalar-isovector interactions, and compare the results with the state-of-art astrophysical constraints on the compact star radius and mass as well as its tidal deformability from the GW170817 event. Results from our study reinforce the prospect of using both heavy-ion collisions and astrophysical observations to provide constraints on the isovector coupling strength in quark matter and thus the quark matter equation of state as well as the QCD phase structure at finite isospin chemical potentials.…”
Get full text

Fast Gravitational-wave Parameter Estimation without Compromises by Kaze W. K. Wong, Maximiliano Isi, Thomas D. P. Edwards

“…By combining likelihood heterodyning, automatically differentiable, and accelerator-compatible waveforms, and gradient-based Markov Chain Monte Carlo sampling enhanced by normalizing flows, we achieve full Bayesian parameter estimation for real events like GW150914 and GW170817 within a minute of sampling time. Our framework does not require pretraining or explicit reparameterizations and can be generalized to handle higher dimensional problems. …”
Get full text

On the formation history of Galactic double neutron stars by Vigna-Gómez, A, Neijssel, CJ, Stevenson, S, Barrett, JW, Belczynski, K, Justham, S, De Mink, SE, Müller, B, Podsiadlowski, P, Renzo, M, Szécsi, D, Mandel, I

“…Double neutron stars (DNSs) have been observed as Galactic radio pulsars, and the recent discovery of gravitational waves from the DNS merger GW170817 adds to the known DNS population. We perform rapid population synthesis of massive binary stars and discuss model predictions, including DNS formation rates, mass distributions, and delay time distributions. …”

Transition Probabilities of Near-infrared Ce iii Lines from Stellar Spectra: Applications to Kilonovae by Nanae Domoto, Jae-Joon Lee, Masaomi Tanaka, Ho-Gyu Lee, Wako Aoki, Miho N. Ishigaki, Shinya Wanajo, Daiji Kato, Kenta Hotokezaka

“…This supports the identification of Ce in the spectra of GW170817/AT2017gfo.…”
Get full text

Bayesian Model Selection of Unified Neutron Star EOSs in Multi-messenger Era by RUI Xingyu;MIAO Zhiqiang;XIA Chengjun

“…In particular, the tidal deformability measurements were used from the binary neutron star merger event GW170817 and the simultaneous mass-radius measurements of PSR J0030+0451 and PSR J0740+6620 by the NICER collaboration. …”
Get full text

Confining density functional approach for color superconducting quark matter and mesonic correlations by Ivanytskyi Oleksii, Blaschke David, Maslov Konstantin

“…The model results are compared to various observational constraints including the NICER radius measurement of PSR J0740+6620 and the tidal deformability constraint from GW170817. The model is shown to be consistent with the constraints, still allowing for further improvement by adjusting the vector repulsion and diquark pairing couplings.…”
Get full text

Generalized Horndeski-like Einstein Gauss-Bonnet inflation with massless primordial gravitons by V.K. Oikonomou, F.P. Fronimos

“…In order to comply with the GW170817 event, we shall impose a constraint on the propagation speed of the primordial tensor perturbations that it is equal to that of light's in vacuum, and this constraint basically specifies the way that the scalar potential and the non-minimal couplings of the theory can be chosen. …”
Get full text

Nucleosynthesis and Kilonovae from Strange Star Mergers by J. E. Horvath, O. G. Benvenuto, E. Bauer, L. Paulucci, A. Bernardo, H. R. Viturro

“…In addition, we show that the a priori probability constructed from the observed neutron star mass distribution points toward an asymmetric binary system as the progenitor of the GW170817 event.…”
Get full text

Topology change, emergent symmetries and compact star matter by Yong-Liang Ma, Mannque Rho

“…We confront the approach with the data from GW170817 and GW190425.…”
Get full text

Anisotropic solution for polytropic stars in 4D Einstein–Gauss–Bonnet gravity by Ksh. Newton Singh, S. K. Maurya, Piyali Bhar, Riju Nag

“…We present the possibility of fitting the mass and radius for some known compact star via $$M-R$$ M - R curve which satisfies the recent gravitational wave observations from GW 170817 event.…”
Get full text

Neutron star–axion star collisions in the light of multimessenger astronomy by Dietrich, T, Day, F, Clough, K, Coughlin, M, Niemeyer, J

“…In principle, there are no fundamental arguments against the multimessenger observations of GW170817/GRB170817A/AT2017gfo arising from the merger of a neutron star with a neutron star mimicker, rather than from a binary neutron star. …”

Standardizing kilonovae and their use as standard candles to measure the Hubble constant by Michael W. Coughlin, Tim Dietrich, Jack Heinzel, Nandita Khetan, Sarah Antier, Mattia Bulla, Nelson Christensen, David A. Coulter, Ryan J. Foley

“…The detection of GW170817 is revolutionizing many areas of astrophysics with the joint observation of gravitational waves and electromagnetic emissions. …”
Get full text

Quark star matter at finite temperature in a quasiparticle model by Peng-Cheng Chu, Yao-Yao Jiang, He Liu, Zhen Zhang, Xiao-Min Zhang, Xiao-Hua Li

“…The tidal deformability for the QSs describing the heavy compact stars is extremely large, which can not well describe GW170817 as QSs, and the effects of the temperature in the heating process along the star evolution will further increase the tidal deformability and the maximum mass of PQSs.…”
Get full text

Dark Energy in Light of Multi-Messenger Gravitational-Wave Astronomy by Jose María Ezquiaga, Miguel Zumalacárregui, Miguel Zumalacárregui

“…We summarize present constraints and their impact on DE models, including those arising from the binary neutron star merger GW170817. Upgrades of LIGO-Virgo detectors to design sensitivity and the next generation facilities such as LISA or Einstein Telescope will significantly improve these constraints in the next two decades.…”
Get full text