2MASS J17171408 + 6526221
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Brown dwarf 2MASS J17171408 + 6526221 |
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| Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | Dragon | ||
| Right ascension | 17 h 17 m 14.08 s | ||
| declination | + 65 ° 26 ′ 22.1 ″ | ||
| Apparent brightness | ~ 22.5 (r) mag | ||
| distance | ~ 300 ly (~ 100 pc ) |
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| Typing | |||
| Spectral class | L4 | ||
| Physical Properties | |||
| Other names and catalog entries |
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2MASS J17171408 + 6526221 is an L-dwarf in the constellation Dragon, about 300 light-years away from Earth . It was founded in 2002 by Suzanne L. Hawley et al. discovered.
Web links
- Entry at DwarfArchives.org (English)
- Suzanne L. Hawley et al .: Characterization of M, L, and T Dwarfs in the Sloan Digital Sky Survey . In: The Astronomical Journal, 123, 2002, pp. 3409-3427. bibcode : 2002AJ .... 123.3409H (English)