WZ Cassiopeiae

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[1] mas
Distanceapprox. 3,000 ly
(approx. 900 pc)
Details
Temperature3,000 K
Other designations
BD+59° 2810, HD 224855, HIP 99, SAO 21002.
Database references
SIMBADdata
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