Chi Cassiopeiae

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χ Cassiopeiae
Chi cassiopeiae diagram.jpg
Map of the Bayer-designated stars in Cassiopeia. Chi Cassiopeiae is circled.
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cassiopeia
Right ascension 01h33m55.9s
Declination +59°13′55″
Apparent magnitude (V) +4.68
Spectral type G9IIIb[1]
U−B color index +0.76
B−V color index +1.00
Variable type none
Radial velocity (Rv) +006 km/s
Proper motion (μ) RA: −43.06 mas/yr
Dec.: −23.18 mas/yr
Parallax (π) 15.96 ± 0.68 mas
Distance 204 ± 9 ly
(63 ± 3 pc)
Absolute magnitude (MV) +0.7
Radius 11.0 ± 0.8[1] R
Other designations
39 Cassiopeiae, HR 442, HD 9408, BD+58°260, HIP 7294, SAO 22397, GC 1879

Chi Cassiopeiae (χ Cas, χ Cassiopeiae) is a star in the constellation Cassiopeia. χ Cassiopeiae is a yellow G-type giant with an apparent magnitude of +4.68. It is approximately 204.4 light years from Earth.


  1. ^ a b Nordgren, Tyler E. et al. (December 1999), "Stellar Angular Diameters of Late-Type Giants and Supergiants Measured with the Navy Prototype Optical Interferometer", The Astronomical Journal 118 (6): 3032–3038, Bibcode:1999AJ....118.3032N, doi:10.1086/301114