WZ Cassiopeiae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cassiopeia |
| Right ascension | 00h 01m 15.855s[1] |
| Declination | +60° 21′ 19.02″[1] |
| Apparent magnitude (V) | 7.06 |
| Characteristics | |
| Spectral type | CII |
| B−V color index | 3.08 |
| Variable type | Semiregular |
| Astrometry | |
| Radial velocity (Rv) | −34 km/s |
| Proper motion (μ) | RA: 9.33 ± 0.46[1] mas/yr Dec.: −6.11 ± 0.41[1] mas/yr |
| Parallax (π) | 1.14 ± 0.53 mas[1] |
| Distance | approx. 3,000 ly (approx. 900 pc) |
| Details | |
| Temperature | 3,000 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
WZ Cassiopeiae (WZ Cas) is a variable carbon star in the northern constellation of Cassiopeia. It varies between magnitudes 6.5 to 8.5 with a period of 186 days. The star is of a deep red colour and attended by a bluish companion, which is separated from the primary by 57.68 arcseconds.
References
- ^ a b c d e 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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