2MASS J12392727 + 5515371
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Brown dwarf 2MASS J12392727 + 5515371 |
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| Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | Big Bear | ||
| Right ascension | 12 h 39 m 27.27 s | ||
| declination | + 55 ° 15 ′ 37.1 ″ | ||
| Apparent brightness | 14.7 mag | ||
| distance | 82 to 173 ly (25 to 53 pc ) |
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| Typing | |||
| Spectral class | L5 | ||
| Physical Properties | |||
| Other names and catalog entries |
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2MASS J12392727 + 5515371 is a brown dwarf in the constellation Big Dipper , located between 81.55 and 172.886 light years from Earth . It was published in 2000 by J. Davy Kirkpatrick et al. discovered.
It belongs to the spectral class L5. Its position shifts by 0.16531 arc seconds annually due to its own motion .
Web links
- Entry at DwarfArchives.org (English)
- Kirkpatrick, J. Davy; et al .: 67 Additional L Dwarfs Discovered by the Two Micron All Sky Survey . In: The Astronomical Journal , Volume 120, Number 1, 2000, pp. 447-472. bibcode : 2000AJ .... 120..447K (English)