Observation data Epoch J2000 Equinox J2000 |
|
---|---|
Constellation | Hydra |
Right ascension | 11h 47m 24.214s |
Declination | −20° 40′ 20.44″ |
Characteristics | |
Evolutionary stage |
Brown dwarf or a Rogue planet |
Spectral type | L7V |
Astrometry | |
Distance | 94 ly (28.8 pc) |
Details | |
Mass | 5–10 MJup |
Radius | 2.08 RJup |
Age | 10 Myr |
Other designations | |
WISEA 1147, 2MASS J11472421-2040204, WISEA J114724.10-204021.3
|
|
Database references | |
SIMBAD | data |
WISEA 1147 is a brown dwarf in the TW Hydrae association that is unassociated with any system.
The brown dwarf was discovered using information from NASA's WISE (Wide-field Infrared Survey Explorer) and the 2MASS (Two Micron All-Sky Survey), researchers believe WISEA 1147 is a brown dwarf, because it is located within a group of stars and is only 10-million-years-old. The planetary-mass sits within a young star family and is 5 to 10 times the mass of Jupiter.