WZ Cassiopeiae

WZ Cassiopeiae

Observation data Epoch J2000      Equinox J2000
Constellation	Cassiopeia
Right ascension	00h 01m 15.855s
Declination	+60° 21′ 19.02″
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 mas/yr Dec.: −6.11 ± 0.41 mas/yr
Parallax (π)	2.71 ± 0.48 mas
Distance	approx. 1,200 ly (approx. 370 pc)
Details
Temperature	3,000 K
Other designations
BD+59° 2810, HD 224855, HIP 99, SAO 21002.
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

• HIP 99
• Image WZ Cassiopeiae