2MASS J12373919 + 6526148
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Brown dwarf 2MASS J12373919 + 6526148 |
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| Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | Dragon | ||
| Right ascension | 12 h 37 m 39.2 s | ||
| declination | + 65 ° 26 ′ 15 ″ | ||
| Apparent brightness | J-band: approx. 16 mag | ||
| parallax | (96.07 ± 4.78) mas | ||
| Typing | |||
| Spectral class | T6.5e | ||
| Physical Properties | |||
| Other names and catalog entries |
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2MASS J12373919 + 6526148 is a brown dwarf in the constellation Dragon . It belongs to the spectral class T6.5, its effective temperature is estimated at around 800 to 850 Kelvin .
swell
- Liebert, James; Burgasser, Adam J .: On the Nature of the Unique Hα-emitting T Dwarf 2MASS J12373919 + 6526148 ; in: The Astrophysical Journal , Vol. 655, No. 1, pp. 522ff. (2007), bibcode : 2007ApJ ... 655..522L
- Burgasser et al .: Discovery of Four Field Methane (T-Type) Dwarfs with the Two Micron All-Sky Survey ; in: The Astrophysical Journal, Vol. 522, No. 1, pp. L65-L68 (1999), bibcode : 1999ApJ ... 522L..65B
- Vrba et al .: Preliminary Parallaxes of 40 L and T Dwarfs from the US Naval Observatory Infrared Astrometry Program ; in: The Astronomical Journal, Vol. 127, No. 5, pp. 2948ff. (2004), bibcode : 2004AJ .... 127.2948V