Upsilon2 Cassiopeiae

From Wikipedia, the free encyclopedia
Jump to: navigation, search
For other star systems with this Bayer designation, see Upsilon Cassiopeiae.
υ2 Cassiopeiae
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cassiopeia
Right ascension 00h 56m 39.905s[1]
Declination +59° 10′ 51.80″[1]
Apparent magnitude (V) +4.62
Spectral type G8IIIbFe-0.5
U−B color index +0.69
B−V color index +0.96
Variable type none
Radial velocity (Rv) −47 km/s
Proper motion (μ) RA: −92.65 ± 0.18[1] mas/yr
Dec.: −45.50 ± 0.16[1] mas/yr
Parallax (π) 16.32 ± 0.23[1] mas
Distance 200 ± 3 ly
(61.3 ± 0.9 pc)
Absolute magnitude (MV) +0.62
Other designations
28 Cassiopeiae, HR 265, HD 5395, BD+58°138, HIP 4422, SAO 21855

Upsilon2 Cassiopeiae2 Cas, υ2 Cassiopeiae) is a star in the constellation Cassiopeia. υ2 Cassiopeiae is a yellow G-type giant with an apparent magnitude of +4.62. It is approximately 200 light years from Earth.[1]

Map of the Bayer-designated stars in Cassiopeia. Upsilon2 Cassiopeiae is circled.


  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:0708.1752free to read. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry