15 Sagittae: Difference between revisions
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Revision as of 17:50, 20 March 2009
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Sagitta |
| Right ascension | 20h 04m 06.22s |
| Declination | +17° 04' 12.6" |
| Apparent magnitude (V) | 5.8 |
| Distance | 57.7 ly (17.69 pc) |
| Spectral type | G1V |
| Other designations | |
HR 7672, Gl 779, Hip 98819, HD 190406, BD+16 4121, SAO 105635, LHS 3515, LTT 15872, LFT 1517, Wolf 866. | |
15 Sagittae (15 Sge) is a 6th magnitude star in the constellation Sagitta. In 2002, a brown dwarf, 15 Sge b, was discovered around 15 Sge.
15 Sagittae b
| Orbital characteristics | |
|---|---|
| 14 | |
| Eccentricity | 0 |
| n/a | |
| Inclination | n/a |
| Physical characteristics | |
| Mass | 65 |
Mean density | n/a |
15 Sagittae b is a brown dwarf orbiting primary 15 Sagittae A. Imaged by the Keck using 15 Sge b is the first brown dwarf around a sun-like star detected directly.