GW170817
neutron star merger · first seen in gravitational waves and light
130 million light-years from Earth
Two neutron stars spiral in, shaking spacetime with gravitational waves, collide, collapse to a black hole and fling out a kilonova that forged gold. Replayed on a loop.
- f_gw = 146 Hz · separation 120 km
- spacetime ripples at light speed
- kind
- star · explosion or collision
- drawn with it
- NGC 4993
More stars & stellar remnants
- SN 1987A core-collapse supernova in the Large Magellanic Cloud
- R136a1 Wolf-Rayet star
- SGR 1806-20 magnetar
- S2 and the S-stars stars orbiting the black hole
- Stephenson 2-18 red supergiant
- WR 124 Wolf-Rayet star shedding its skin
- Eta Carinae hypergiant binary inside the Homunculus Nebula
- Crab Pulsar neutron star