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Brown dwarf

WISE 0350-5658

Also WISE J035000.32-565830.2

Open in Ouranos

A brown dwarf — too light to shine like a star — one of the Sun's neighbours within 20 light-years.

Measured

Distance
18 light-years
Constellation
Reticulum
Position (J2000)
RA 3h 50m 01s, Dec −56.97°

How far, from the Sun

18.5 light-years. To cross it:

  • Light18.5 years
  • Voyager 1's speed329,000 years
  • Driving at 100 km/h200 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 Y dwarf, one of the coldest kinds of brown dwarf.
  • Spectral type Y1 (SIMBAD).

Where this comes from

  • Parallax 176.4 ± 2.3 mas (Kirkpatrick et al. 2021, ApJS 253, 7 — the 20-pc census of L, T and Y dwarfs)
  • 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.