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Nearby star

Ross 154

Also V1216 Sagittarii · GJ 729

Open in Ouranos

A red dwarf — a small, cool star far fainter than the Sun — one of the Sun's neighbours within 20 light-years.

Measured

Distance
9.71 light-years
Constellation
Sagittarius
Position (J2000)
RA 18h 49m 49s, Dec −23.84°

How far, from the Sun

9.71 light-years. To cross it:

  • Light9.71 years
  • Voyager 1's speed173,000 years
  • Driving at 100 km/h105 million years

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

Facts

  • It is a flare star.
  • Spectral type M3.5Ve (SIMBAD).
  • At magnitude 10.43 (V) it is too faint to see with the naked eye.

Where this comes from

  • Gaia DR3 parallax 336.0266 ± 0.0317 mas, Gaia DR3 4075141768785646848 (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.