GW190727_060333
Gravitational-wave source · GWTC-2.1-confident
A black hole of about 65 solar masses, formed on 2019-07-27 when two black holes of roughly 39 and 30 solar masses spiralled together 10.0 billion light-years away. LIGO and Virgo felt the collision as ripples in spacetime.
Computed render65.4 ☉
mass (the Sun = 1)
193 km
event-horizon radius (computed)
10.0 billion ly
from Earth
39+30 ☉
the two that merged
The two black holes that merged were about 39 (33–48) and 30 (22–37) solar masses. The remnant is 65 (58–75) solar masses. Values in parentheses are the 90% credible ranges from LIGO, Virgo and KAGRA (GWTC).
Its event horizon, the edge past which nothing returns, spans about 193 km in radius. The waves we detected had been travelling for 10.0 billion years before they reached us.
Black holes of similar mass
GW230922_020344Gravitational-wave source65.4 ☉GW240920_124024Gravitational-wave source65.6 ☉GW240908_082628Gravitational-wave source65.0 ☉GW190916_200658Gravitational-wave source65.0 ☉GW250109_074552Gravitational-wave source65.9 ☉GW231129_081745Gravitational-wave source66.0 ☉
Source: Gravitational-Wave Open Science Center (GWTC-2.1-confident), LIGO Virgo KAGRA. CC BY 4.0. See data & analysis for full sourcing.