GRS 1915+105

Stellar-mass black hole

A fast-spinning stellar black hole and the prototype microquasar, with jets that appear to move faster than light by a trick of perspective.

GRS 1915+105, a stellar-mass black holeComputed render
Computed render: general-relativistic ray-trace; colours mapped to a visible range. Not a photograph.
12.4 ☉
mass (the Sun = 1)
37 km
event-horizon radius (computed)
28,000 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 37 km in radius.

It lives in
Milky Way
Barred spiral galaxy.
Zoom out →
Black holes of similar mass
GW241109_115924Gravitational-wave source11.9 ☉GW240413_022019Gravitational-wave source12.9 ☉GW190917_114630Gravitational-wave source11.6 ☉GW190924_021846Gravitational-wave source13.3 ☉GW230627_015337Gravitational-wave source13.6 ☉LMC X-1Stellar-mass10.9 ☉
Worlds in the same direction on the sky→
Source: Curated from public catalogs via Wikidata (CC0). See data & analysis for full sourcing.
← all black holes