Omega Cassiopeiae
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Cassiopeia |
| Right ascension | 01h 56m 00.028s[1] |
| Declination | +68° 41′ 06.87″[1] |
| Apparent magnitude (V) | +4.97 |
| Characteristics | |
| Spectral type | B8III |
| U−B color index | −0.40 |
| B−V color index | −0.10 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | −24 km/s |
| Proper motion (μ) | RA: 14.96 ± 0.17[1] mas/yr Dec.: −10.11 ± 0.18[1] mas/yr |
| Parallax (π) | 4.65 ± 0.24[1] mas |
| Distance | 700 ± 40 ly (220 ± 10 pc) |
| Absolute magnitude (MV) | −1.68 |
| Other designations | |
Map of the Bayer-designated stars in Cassiopeia. Omega Cassiopeiae is circled.
Omega Cassiopeiae (ω Cas, ω Cassiopeiae) is a star in the constellation Cassiopeia. ω Cassiopeiae is a blue-white B-type giant with an apparent magnitude of +4.97. It is approximately 700 light years from Earth.[1]
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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