Upsilon1 Cassiopeiae

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The correct title of this article is Upsilon¹ Cassiopeiae. It features superscript or subscript characters that are substituted or omitted because of technical limitations.


For other star systems with this Bayer designation, see Upsilon Cassiopeiae.
υ¹ Cassiopeiae
Observation data
Epoch J2000.0
Constellation Cassiopeia
Right ascension 00h55m00.1s
Declination +58°58′22″
Apparent magnitude (V) +4.83
Spectral 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: −32.24 mas/yr
Dec.: −40.69 mas/yr
Parallax (π) 8.02 ± 0.65 mas
Distance 407 ly (125 pc)
Absolute magnitude (MV) −0.64
Other designations
26 Cassiopeiae, HR 253, HD 5234, BD+58°134, HIP 4292, SAO 21832, GC 1086, ADS 748, CCDM J00551+5858

Upsilon¹ Cassiopeiae (υ¹ 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 407 light years from Earth.


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