| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Ophiuchus |
| Right ascension | 17h 30m 23.80s |
| Declination | −1° 3′ 45″ |
| Apparent magnitude (V) | +5.31 |
| Characteristics | |
| Spectral type | G8 IV-V |
| U−B color index | .30 |
| B−V color index | .71 |
| V−R color index | .37 |
| R−I color index | .33 |
| Variable type | None |
| Astrometry | |
| Radial velocity (Rv) | −77.3 km/s |
| Distance | 16.447 pc |
| Details | |
| Age | 5 Gya years |
| Other designations | |
|
HD 1989, HD 158614, TYCHO-2 2000, TYC 5080-2188-1, USNO-A2.0, USNO-A2 0825-10608004, BSC 1991, HR 6516, HIP 85667
|
|
| Database references | |
| SIMBAD | data |
Gliese 678 is a spectroscopic binary star system approximately 60 light-years away in the constellation of Ophiuchus.
This system is in the Zeta Herculis moving group, which is of low metallicity stars, 5 billion years old. Besides ζ Herculis, the group includes δ Trianguli, ζ Reticuli, 1 Hydrae, Gl 456, φ2 Pavonis, and GJ 9079.[1]
This binary was included in a search for brown dwarfs that turned up no large companions.