| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Cepheus |
| Right ascension | 23h 07m 53.8514s |
| Declination | +75° 23′ 14.986″' |
| Apparent magnitude (V) | 4.41 |
| Characteristics | |
| Spectral type | G2III / G0IV / ? |
| U−B color index | -0.46 |
| B−V color index | 0.8 |
| Variable type | None |
| Astrometry | |
| Radial velocity (Rv) | -18.6 ± 0.9 km/s |
| Proper motion (μ) | RA: 5.74 mas/yr Dec.: -35.10 mas/yr |
| Parallax (π) | 14.83 ± 0.62 mas |
| Distance | 220 ± 9 ly (67 ± 3 pc) |
| Absolute magnitude (MV) | 0.24 |
| Details | |
| Mass | 6.88±0.69 M☉ |
| Radius | ? R☉ |
| Luminosity | ? L☉ |
| Temperature | ? K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Other designations | |
| Orbit | |
| Companion | π Cep B |
| Period (P) | ? yr |
| Semimajor axis (a) | 1.2 arcsec |
| Eccentricity (e) | ? |
| Orbit | |
| Companion | π Cep C |
| Period (P) | ? yr |
| Semimajor axis (a) | 58.6 arcsec |
| Eccentricity (e) | ? |
Pi Cephei (π Cep) is a trinary star located in the constellation Cepheus.
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