2MASS J12314753 + 0847331
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Brown dwarf 2MASS J12314753 + 0847331 |
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| Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | Virgin | ||
| Right ascension | 12 h 31 m 47.53 s | ||
| declination | + 08 ° 47 ′ 33.1 ″ | ||
| Apparent brightness | 15.57 likes | ||
| Proper movement | |||
| Rec. Share: | 1.55 mas / a | ||
| Typing | |||
| Spectral class | T5.5 | ||
| Physical Properties | |||
| Effective temperature | 800-1300 K | ||
| Other names and catalog entries |
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2MASS J12314753 + 0847331 is a brown dwarf in the constellation Virgo . It was published in 2004 by Adam J. Burgasser et al. discovered.
It belongs to the spectral class T5.5; its surface temperature is 800 to 1300 Kelvin . As with other brown dwarfs of the spectral class T, methane also dominates in its spectrum . Its position shifts annually by 1.55 arc seconds due to its own motion .
Web links
- Entry at DwarfArchives.org (English)
- Burgasser, Adam J .; et al .: The 2MASS Wide-Field T Dwarf Search. III. Seven New T Dwarfs and Other Cool Dwarf Discoveries . In: The Astronomical Journal, Volume 127, 2004, Number 5, pp. 2856-2870. bibcode : 2004AJ .... 127.2856B (English)