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Filling the Mass Gap: How Kilonova Observations can Unveil the Nature of the Compact Object Merging with the Neutron Star
Claudio Barbieri, Om Sharan Salafia, Monica Colpi +3
In this letter we focus on the peculiar case of a coalescing compact-object binary whose chirp mass is compatible both with a neutron star-neutron star and black hole-neutron star…
PUSHing core-collapse supernovae to explosions in spherical symmetry IV: Explodability, remnant properties and nucleosynthesis yields of low metallicity stars
Kevin Ebinger, Sanjana Curtis, Somdutta Ghosh +5
In this fourth paper of the series, we use the parametrized, spherically symmetric explosion method PUSH to perform a systematic study of two sets of non-rotating stellar progenito…
Inferring prompt black-hole formation in neutron star mergers from gravitational-wave data
Michalis Agathos, Francesco Zappa, Sebastiano Bernuzzi +3
The gravitational-wave GW170817 is associated to the inspiral phase of a binary neutron star coalescence event. The LIGO-Virgo detectors sensitivity at high frequencies was not suf…
kiloHertz gravitational waves from binary neutron star remnants: time-domain model and constraints on extreme matter
Matteo Breschi, Sebastiano Bernuzzi, Francesco Zappa +4
The remnant star of a neutron star merger is an anticipated loud source of kiloHertz gravitational waves that conveys unique information on the equation of state of hot matter at e…
Electromagnetic counterparts of black hole-neutron star mergers: dependence on the neutron star properties
C. Barbieri, O. S. Salafia, A. Perego +2
Detections of gravitational waves (GWs) may soon uncover the signal from the coalescence of a black hole - neutron star (BHNS) binary, that is expected to be accompanied by an elec…
Thermodynamics conditions of matter in the neutrino decoupling region during neutron star mergers
Andrea Endrizzi, Albino Perego, Francesco M. Fabbri +6
Neutrino-matter interactions play a key role in binary neutron star mergers. Thermodynamics conditions at the surfaces where neutrinos decouple from matter influence neutrino spect…
Spiral-wave wind for the blue kilonova
Vsevolod Nedora, Sebastiano Bernuzzi, David Radice +3
The AT2017gfo kilonova counterpart of the binary neutron star merger event GW170817 was characterized by an early-time bright peak in optical and UV bands. Such blue kilonova is co…
A multi-dimensional implementation of the Advanced Spectral neutrino Leakage scheme
Davide Gizzi, Evan O'Connor, Stephan Rosswog +3
We present a new, multi-dimensional implementation of the Advanced Spectral Leakage (ASL) scheme with the purpose of modelling neutrino-matter interactions in neutron star mergers.…
All-sky search for short gravitational-wave bursts in the second Advanced LIGO and Advanced Virgo run
The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1186
We present the results of a search for short-duration gravitational-wave transients in the data from the second observing run of Advanced LIGO and Advanced Virgo. We search for gra…
Neutron star binary orbits in their host potential: effect on early r-process enrichment
Matteo Bonetti, Albino Perego, Massimo Dotti +1
Coalescing neutron star binary (NSB) systems are primary candidates for -process enrichment of galaxies. The recent detection of -process elements in ultra-faint dwarf (UFD)…
Thermodynamics conditions of matter in neutron star mergers
Albino Perego, Sebastiano Bernuzzi, David Radice
Matter in neutron star collisions can reach densities up to few times the nuclear saturation threshold and temperatures up to one hundred MeV. Understanding the structure and compo…
Catching Element Formation In The Act
Chris L. Fryer, Frank Timmes, Aimee L. Hungerford +216
Gamma-ray astronomy explores the most energetic photons in nature to address some of the most pressing puzzles in contemporary astrophysics. It encompasses a wide range of objects…
A comparison between short GRB afterglows and AT2017gfo: shedding light on kilonovae properties
A. Rossi, G. Stratta, E. Maiorano +26
Multi-messenger astronomy received a great boost following the discovery of kilonova AT2017gfo, the optical counterpart of the gravitational wave source GW170817 associated with th…