2MASS 0532+8246
From Infogalactic: the planetary knowledge core
(Redirected from 2MASS J05325346+8246465)
Coordinates: 05h 32m 53.46s, +82° 46′ 46.5″
Observation data Epoch J2000[1] Equinox J2000[1] |
|
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Constellation | Camelopardalis |
Right ascension | 05h 32m 53.46s[1] |
Declination | +82° 46′ 46.5″[1] |
Characteristics | |
Spectral type | sdL7[1] |
Astrometry | |
Parallax (π) | 37.50 ± 1.70[2]:{{{3}}} mas |
Distance | 87 ± 4 ly (27 ± 1 pc) |
Details | |
Mass | 0.077 – 0.085 M☉ |
Metallicity | 0.1 – 0.01 |
Age | 10–15 Gyr |
Other designations | |
Database references | |
SIMBAD | data |
2MASS 0532+8246 (full designation 2MASS J05325346+8246465) is possibly the first halo brown dwarf and the first substellar subdwarf.
- Mass: 0.077 – 0.085 MSun
- Age: 10–15 Ga
- Metallicity Z: 0.1 – 0.01 ZSun
References
- The First Substellar Subdwarf? Discovery of a Metal-Poor L Dwarf with Halo Kinematics, Adam J. Burgasser, et al. 2003 [1]
External links
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