Phi Cassiopeiae
From Wikipedia, the free encyclopedia
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.