Extreme object
SS 433
SS 433 is a black hole 18 000 light-years away, weighing 10.9 Suns.
The first microquasar: a black hole in a binary firing two jets at a quarter of the speed of light, which wobble round once every 162 days.
See it live
It is on the live 3D map, where it really is.
Key facts
- Kind
- Black hole
- Distance
- 18 000 light-years
- Mass
- 10.90 Suns
See it from here
Too faint for the eye; a telescope, or a long photograph, shows it.
How the map draws it
Drawn as a ring at its measured distance; a black hole has no shape to draw and a pulsar is far too small — the kind of thing, not this exact one.