Upsilon1 Cassiopeiae

For other star systems with this Bayer designation, see Upsilon Cassiopeiae.
υ1 Cassiopeiae
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cassiopeia
Right ascension 00h 55m 00.155s[1]
Declination +58° 58 21.71[1]
Apparent magnitude (V) +4.83
Characteristics
Spectral type K2III
U−B color index +1.26
B−V color index +1.21
Variable type none
Astrometry
Radial velocity (Rv)−23 km/s
Proper motion (μ) RA: −33.50 ± 0.36[1] mas/yr
Dec.: −40.82 ± 0.33[1] mas/yr
Parallax (π)9.93 ± 0.49[1] mas
Distance330 ± 20 ly
(101 ± 5 pc)
Absolute magnitude (MV)−0.64
Other designations
26 Cassiopeiae, HR 253, HD 5234, BD+58°134, HIP 4292, SAO 21832, ADS 748, CCDM J00551+5858

Upsilon1 Cassiopeiae1 Cas, υ1 Cassiopeiae) is a triple star system in the constellation Cassiopeia. υ1 Cassiopeiae is an orange K-type giant with an apparent magnitude of +4.83. It is approximately 330 light years from Earth.[1]

References

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