SDSS J020742.48 + 000056.2
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Brown dwarf 2MASS J02074284 + 0000564 |
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| Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | whale | ||
| Right ascension | 02 h 07 m 42.84 s | ||
| declination | + 00 ° 00 ′ 56.4 ″ | ||
| parallax | (34.9 ± 9.9) mas | ||
| distance | approx. 100 ly (approx. 30 pc ) |
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| Typing | |||
| Spectral class | T4.5 | ||
| Physical Properties | |||
| Other names and catalog entries |
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2MASS J02074284 + 0000564 is a brown dwarf in the constellation Whale, about 100 light-years away from Earth . It was founded in 2002 by Thomas R. Geballe et al. discovered and belongs to the spectral class T4.5. Its position shifts by 0.16 arc seconds annually due to its own motion .
Web links
- Entry at DwarfArchives.org (English)
- Bundles, TR; et al .: Toward Spectral Classification of L and T Dwarfs: Infrared and Optical Spectroscopy and Analysis. In: The Astrophysical Journal, 564, 2002, number 1, pp. 466-481. bibcode : 2002ApJ ... 564..466G (English)
- Simbad