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Black hole

GRO J1655-40

Also V1033 Scorpii · Nova Scorpii 1994

Open in Ouranos

A black hole that throws out jets and feeds on a companion star in Scorpius.

Measured

Distance
about 10,440 light-years (published estimates 9,785–11,090)
Constellation
Scorpius
Position (J2000)
RA 16h 53m 59s, Dec −39.85°

How far, from the Sun

About 10,400 light-years. To cross it:

  • Light10,400 years
  • Voyager 1's speed186 million years
  • Driving at 100 km/h113 billion years

Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.

Facts

  • Its companion star contains elements forged in the supernova that made the black hole.
  • The Compton Gamma Ray Observatory found it in 1994.

Where this comes from

  • Jonker & Nelemans 2004, MNRAS 354, 355 (3.2 ± 0.2 kpc)
  • This research has made use of the SIMBAD database, CDS, Strasbourg, France (Wenger et al. 2000, A&AS 143, 9).
  • This research has made use of the VizieR catalogue access tool, CDS, Strasbourg, France (DOI: 10.26093/cds/vizier).

Every catalogue Ouranos draws is credited on the credits page.