16 Cephei
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cepheus |
| Right ascension | 21h 59m 14.9661s |
| Declination | +73° 10′ 47.625″' |
| Apparent magnitude (V) | 5.047 |
| Characteristics | |
| Spectral type | F5V |
| U−B color index | 5.44 |
| B−V color index | 5.47 |
| Variable type | None |
| Astrometry | |
| Radial velocity (Rv) | -21 ± 0.9 km/s |
| Proper motion (μ) | RA: -68.28 mas/yr Dec.: -159.81 mas/yr |
| Parallax (π) | 26.67 ± 0.45 mas |
| Distance | 122 ± 2 ly (37.5 ± 0.6 pc) |
| Absolute magnitude (MV) | 2.17 |
| Details | |
| Mass | ? M☉ |
| Radius | ? R☉ |
| Luminosity | ? L☉ |
| Temperature | ? K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Other designations | |
| Orbit | |
| Companion | 16 Cep B |
| Period (P) | ? yr |
| Semi-major axis (a) | 131.4 arcsec |
| Eccentricity (e) | ? |
16 Cephei is a double star, about 122 light years from the Sun, in the constellation of Cepheus.
References
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