Andromeda
Log inJoin

Brown dwarf

SIMP 0136+0933

Also SIMP J013656.5+093347.3

Open in Ouranos

A young brown dwarf of about planetary mass, with weather and aurorae.

Measured

Distance
20 light-years
Constellation
Pisces
Position (J2000)
RA 1h 36m 57s, Dec +9.56°

How far, from the Sun

19.9 light-years. To cross it:

  • Light20 years
  • Voyager 1's speed354,000 years
  • Driving at 100 km/h215 million years

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

Facts

  • Its brightness changes as it rotates every 2.4 hours, turning atmospheric features into view: patchy clouds, hot spots and changing chemistry.
  • Spectral type T2.0 (SIMBAD).

Where this comes from

  • Gaia DR3 parallax 163.4478 ± 0.4629 mas, Gaia DR3 2572901021957789568 (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.