2MASS J10170754 + 1308398
|
Brown dwarf 2MASS J10170754 + 1308398 |
|||
|---|---|---|---|
| Observation dates equinox : J2000.0 , epoch : J2000.0 |
|||
| Constellation | lion | ||
| Right ascension | 10 h 17 m 7.54 s | ||
| declination | + 13 ° 08 ′ 39.9 ″ | ||
| Apparent brightness | J-Band: 17.4 mag | ||
| distance | ~ 20 pc | ||
| Typing | |||
| Spectral class | L2 | ||
| Physical Properties | |||
| Other names and catalog entries |
|||
|
|||
2MASS J10170754 + 1308398 is a brown dwarf in the constellation Leo, about 20 parsecs from Earth . It was published in 2003 by Kelle L. Cruz et al. discovered. It belongs to the spectral class L2. Its position shifts by 0.11 arc seconds annually due to its own motion .
Web links
- Entry at DwarfArchives.org (English)
- Cruz, Kelle L .; et al .: Meeting the Cool Neighbors. V. A 2MASS-Selected Sample of Ultracool Dwarfs . In: The Astronomical Journal, 2003, Volume 126, Number 5, pp. 2421-2448. bibcode : 2003AJ .... 126.2421C (English)