2MASS J12255432-2739466
|
Brown dwarf 2MASS J12255432-2739466 |
|||
|---|---|---|---|
| Observation dates equinox : J2000.0 , epoch : J2000.0 |
|||
| Constellation | Water snake | ||
| Right ascension | 12 h 25 m 54.32 s | ||
| declination | -27 ° 39 ′ 46.6 ″ | ||
| Apparent brightness | 15.26 mag | ||
| parallax | (75.1 ± 2.5) mas | ||
| Typing | |||
| Spectral class | T6 | ||
| Physical Properties | |||
| Other names and catalog entries |
|||
|
|||
2MASS J12255432-2739466 is a brown dwarf of the spectral class T6 in the constellation Water Snake . Its position shifts by 0.7368 arc seconds annually due to its own motion . It also has a parallax of 75.1 milli-arcseconds. It was published in 1999 by Adam J. Burgasser et al. discovered.
Web links
- Entry at DwarfArchives.org (English)
- Burgasser, Adam J .; et al .: Discovery of Four Field Methane (T-Type) Dwarfs with the Two Micron All-Sky Survey . In: The Astrophysical Journal, 1999, Volume 522, Number 1, pp. L65-L68. bibcode : 1999ApJ ... 522L..65B (English)