Xi Cassiopeiae

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ξ Cassiopeiæ
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cassiopeia
Right ascension 00h 42m 03.895s[1]
Declination +50° 30′ 45.09″[1]
Apparent magnitude (V) +4.80
Spectral type B2V
U−B color index −0.63
B−V color index −0.11
Variable type none
Radial velocity (Rv) −10 km/s
Proper motion (μ) RA: 12.24 ± 0.38[1] mas/yr
Dec.: −6.58 ± 0.32[1] mas/yr
Parallax (π) 2.28 ± 0.51[1] mas
Distance approx. 1,400 ly
(approx. 440 pc)
Absolute magnitude (MV) −2.85
Other designations
19 Cassiopeiae, HR 179, HD 3901, BD+49°164, FK5 2046, HIP 3300, SAO 21637
Database references

Xi Cassiopeiae (ξ Cas, ξ Cassiopeiae) is a star in the constellation Cassiopeia. ξ Cassiopeiae is a blue-white B-type main sequence dwarf with an apparent magnitude of +4.80. It is approximately 1400 light years from Earth.[1]


  1. ^ a b c d e f van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry