16 Cephei
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Cepheus |
| Right ascension | 21h 59m 14.96555s |
| Declination | +73° 10′ 47.6212″' |
| Apparent magnitude (V) | 5.047 |
| Characteristics | |
| Spectral type | F5V |
| Variable type | None |
| Astrometry | |
| Radial velocity (Rv) | -20.60 ± 0.4 km/s |
| Proper motion (μ) | RA: -68.62 ± 0.16[1] mas/yr Dec.: -160.18 ± 0.16[1] mas/yr |
| Parallax (π) | 27.23 ± 0.17[1] mas |
| Distance | 119.8 ± 0.7 ly (36.7 ± 0.2 pc) |
| Absolute magnitude (MV) | 2.17[2] |
| Details | |
| Mass | ? M☉ |
| Radius | ? R☉ |
| Luminosity | ? L☉ |
| Temperature | ? K |
| Metallicity | -0.36[2] |
| Rotation | ? |
| Age | ? years |
| Other designations | |
16 Cephei is a double star, about 120 light years from the Sun, in the constellation of Cepheus. It is composed of two stars of spectral type F5V,[3]a which might be an optical double system.[4]
References
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