Space Time logo Space Time
Black hole · evidence and sources

Gaia BH3

A dormant 33-solar-mass black hole discovered from the wobble of its companion star in Gaia astrometry.

Gaia DR3 Position basis, the same label the app shows on the selection card.

Open in Space Time

Every aspect, with its origin

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.

ObservedCatalogComputedReconstructedIllustrativeUndocumented
Position Catalog

Sky position and distance

Gaia BH3 is placed at J2000 RA 19.7 h, Dec 14.9° at 1,926 light-years.

EpochJ2000
Orbit Catalog

Companion orbit

The visible companion orbits with a period of 4,253 days and a semi-major axis of 16 AU (e = 0.73).

LimitThe black hole itself is drawn as a schematic marker; it has no resolved image.
Description Undocumented

Description and facts

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.

SourceSpace Time editorial text

What is not measured

Nothing on this page is a reconstruction or a schematic; every record above is observed, catalogued or computed.

Not yet documented

  • Physical data: no record. Space Time does not claim a source for this aspect.
  • Appearance: no record. Space Time does not claim a source for this aspect.
  • Description: 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.

Sources cited

More