2MASS J17114573 + 2232044
|
Brown dwarf 2MASS J17114573 + 2232044 |
|||
|---|---|---|---|
| Observation dates equinox : J2000.0 , epoch : J2000.0 |
|||
| Constellation | Hercules | ||
| Right ascension | 17 h 11 m 45.73 s | ||
| declination | + 22 ° 32 ′ 4.4 ″ | ||
| Apparent brightness | ~ 17 (J) likes | ||
| parallax | 33.11 mas | ||
| Typing | |||
| Spectral class | L6.5 | ||
| Physical Properties | |||
| Effective temperature | 1300-2000 K | ||
| Other names and catalog entries |
|||
|
|||
2MASS J17114573 + 2232044 is a brown dwarf in the constellation Hercules . It was published in 2000 by J. Davy Kirkpatrick et al. discovered.
It belongs to the spectral class L6.5; its surface temperature is 1300 to 2000 Kelvin . As with other brown dwarfs of the spectral class L, metal hydrides and alkali metals also dominate in its spectrum . Its position shifts by 0.0312 arc seconds annually due to its own motion . It also has a parallax of 0.03311 arc seconds.
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)