Nearby star
Gliese 229
Also GJ 229 · HD 42581
A red dwarf with a famous brown dwarf companion, Gliese 229 B, now known to be a close pair.
Measured
- Distance
- 19 light-years
- Constellation
- Lepus
- Position (J2000)
- RA 6h 10m 35s, Dec −21.86°
How far, from the Sun
18.8 light-years. To cross it:
- Light18.8 years
- Voyager 1's speed334,000 years
- Driving at 100 km/h203 million years
Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.
Facts
- Gliese 229 B, first imaged in 1994 and announced in 1995, was one of the first two brown dwarfs confirmed; Teide 1 was published weeks earlier.
- Spectral type M1V (SIMBAD).
How it was found
- In 2024 Gliese 229 B was found to be two brown dwarfs orbiting each other every 12 days.
Where this comes from
- Gaia DR3 parallax 173.5740 ± 0.0170 mas, Gaia DR3 2940856402123426176 (Gaia Collaboration 2023, A&A 674, A1)
- 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.