Andromeda
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Nearby star

AD Leonis

Also GJ 388

Open in Ouranos

A highly active red dwarf flare star in Leo.

Measured

Distance
16 light-years
Constellation
Leo
Position (J2000)
RA 10h 19m 36s, Dec +19.87°

How far, from the Sun

16.2 light-years. To cross it:

  • Light16.2 years
  • Voyager 1's speed288,000 years
  • Driving at 100 km/h175 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 flares often, brightening within minutes.
  • Spectral type dM3 (SIMBAD).
  • At magnitude 9.52 (V) it is too faint to see with the naked eye.

Where this comes from

  • Gaia DR3 parallax 201.4064 ± 0.0296 mas, Gaia DR3 625453654702751872 (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.