Sombrero Central Black Hole
Supermassive black hole
A billion-solar-mass giant inside the Sombrero Galaxy, one of the most massive black holes in our cosmic neighbourhood.
Computed render1.0 billion ☉
mass (the Sun = 1)
20 AU
event-horizon radius (computed)
30 million ly
from Earth
Mass is a best estimate from the cited observations, which carry their own measurement uncertainty.
Its event horizon, the edge past which nothing returns, spans about 20 AU in radius.
It anchors
Sombrero Galaxy
Lenticular galaxy, 30 million ly away.
Black holes of similar mass
M87*Supermassive6.5 billion ☉M31*Supermassive140.0 million ☉Bode's Galaxy Central Black HoleSupermassive70.0 million ☉Centaurus A Central Black HoleSupermassive55.0 million ☉Messier 106 Central Black HoleSupermassive39.0 million ☉Sgr A*Supermassive4.3 million ☉
Worlds in the same direction on the sky→