# Gravitational Wave Modelling

Numerical simulations of neutron stars and black holes provide insights into the possible structure of gravitational wave signals and into other astrophysical phenomena.

### GW190412: Binary Black Hole Merger

Numerical simulation of a black-hole binary merger with asymmetric masses and orbital precession. [more]

### GW190425: Binary Neutron Star Merger

This numerical simulation represents the binary neutron star coalescence and merger which resulted in the detected gravitational-wave event GW190425. [more]

### GW170817: Binary Neutron Star Merger

This discovery marks first cosmic event observed in both gravitational waves and light. [more]

### Binary Neutron Stars

When binary neutron stars inspiral and finally merge they emit gravitational waves. [more]

### Binary Neutron Stars

These numerical relativity simulations show the merging of two neutron stars. [more]

### First triple-coincident observation of a binary black hole merger by LIGO and Virgo

The figures and the animation show the coalescence of two orbiting black holes as detected by the Advanced LIGO and Advanced Virgo observatories on the 14

^{th}of August 2017. [more]### Third Detection of Gravitational Waves on Earth: Numerical Simulations

The video and the images show a numerical simulation of the gravitational-wave event GW170104 associated to the third binary black-hole coalescence detected by LIGO. [more]

### Second Detection of Gravitational Waves on Earth: Numerical Simulations

The video and the images show a numerical simulation of the gravitational-wave event GW151226 associated to a binary black-hole coalescence. [more]

### First Detection of Gravitational Waves on Earth: Numerical Simulations

Numerical-relativity simulations of the first binary black-hole merger observed by the Advanced LIGO detector on September 14, 2015. [more]

### Binary Black Holes: Inspirals

These images are the result if the numerical simulation of two inspiralling black holes that merge to form a new black hole. [more]

### Electromagnetic Counterparts to Inspiralling Black Holes

Electromagnetic Counterparts of Binary Black-Hole Mergers. [more]

### Binary Neutron Stars: Collisions

Head-on collision of two neutron stars to a black hole or a neutron star. [more]

### Gravitational Collapse

Computer simulations showing the formation of a neutron star by the gravitational collapse of a stellar core and the gravitational collapse of a neutron star to a rotating black hole. [more]

### Neutron Star Oscillations and Instabilities

Computer simulations of an unstable spherical neutron star and of a rapidly spinning neutron star that is bar-like deformed by a dynamical instability. [more]