Pi Cephei
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| Observation data Epoch J2000 |
|
|---|---|
| Constellation (pronunciation) |
Cepheus |
| Right ascension | 23h 07m 53.8514s |
| Declination | +75° 23′ 14.986″' |
| Apparent magnitude (V) | 4.424 |
| 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) | 5.191 |
| Details | |
| Mass | ? M☉ |
| Radius | ? R☉ |
| Luminosity | ? L☉ |
| Temperature | ? K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Other designations | |
| Visual binary orbit | |
| Companion | π Cep B |
| Period (P) | ? yr |
| Semimajor axis (a) | 1.2 arcsec |
| Eccentricity (e) | ? |
| Visual binary orbit | |
| Companion | π Cep C |
| Period (P) | ? yr |
| Semimajor axis (a) | 58.6 arcsec |
| Eccentricity (e) | ? |
π Cep is a triple star located in the constellation Cepheus.
[edit] Reference
- [www.alcyone.de]
- [Simbad]

