Phi Cassiopeiae
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Cassiopeia |
| Right ascension | 01h20m04.9s |
| Declination | +58°13′54″ |
| Apparent magnitude (V) | +4.95 |
| Characteristics | |
| Spectral type | F0Ia |
| U-B color index | +0.49 |
| B-V color index | +0.68 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | −24 km/s |
| Proper motion (μ) | RA: −1.31 mas/yr Dec.: −2.19 mas/yr |
| Parallax (π) | 1.40 ± 0.68 mas |
| Distance | 2300 ly (710 pc) |
| Absolute magnitude (MV) | −4.31 |
| Details | |
| Mass | ? M☉ |
| Radius | ? R☉ |
| Luminosity | 18.000 L☉ |
| Temperature | ? K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Other designations | |
Phi Cassiopeiae (φ Cas / φ Cassiopeiae) is a star in the constellation Cassiopeia. φ Cassiopeiae is a yellow-white F-type supergiant with an apparent magnitude of +4.95. It is approximately 2300 light years from Earth. It appears among the stars of the open cluster NGC 457, but it is a foreground star and not a member of the cluster.
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