Pi Cassiopeiae
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Cassiopeia |
Right ascension | 00h 43m 28.070s[1] |
Declination | +47° 01′ 28.37″[1] |
Apparent magnitude (V) | +4.95 |
Characteristics | |
Spectral type | A5V |
U−B color index | +0.09 |
B−V color index | +0.18 |
Variable type | Ellipsoidal |
Astrometry | |
Radial velocity (Rv) | +013 km/s |
Proper motion (μ) | RA: −23.71 ± 0.23[1] mas/yr Dec.: −36.84 ± 0.18[1] mas/yr |
Parallax (π) | 18.63 ± 0.32[1] mas |
Distance | 175 ± 3 ly (53.7 ± 0.9 pc) |
Absolute magnitude (MV) | +1.31 |
Other designations | |
Pi Cassiopeiae (π Cas, π Cassiopeiae) is a star in the constellation Cassiopeia.
π Cassiopeiae is a white A-type main sequence dwarf with a mean apparent magnitude of +4.95. It is approximately 175 light years from Earth.[1] It is classified as a rotating ellipsoidal variable star and its brightness varies by 0.02 magnitudes with a period of 23.57 hours.
References
- 1 2 3 4 5 6 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.Vizier catalog entry
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