Sky position and distance
Gaia BH3 is placed at J2000 RA 19.7 h, Dec 14.9° at 1,926 light-years.
SourceESO / Gaia Collaboration
EpochJ2000
A dormant 33-solar-mass black hole discovered from the wobble of its companion star in Gaia astrometry.
One record per aspect. The origin says what kind of thing each value is; the source says where it came from; the limit says what it cannot tell you.
Gaia BH3 is placed at J2000 RA 19.7 h, Dec 14.9° at 1,926 light-years.
The visible companion orbits with a period of 4,253 days and a semi-major axis of 16 AU (e = 0.73).
The short description and the fact list are written by the Space Time authors for orientation. They are not quoted from a catalog field and carry no citation of their own.
Nothing on this page is a reconstruction or a schematic; every record above is observed, catalogued or computed.