Upsilon¹ Centauri

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For other star systems with this Bayer designation, see Upsilon Centauri.

υ¹ Centauri

Observation data Epoch J2000.0
Constellation (pronunciation)	Centaurus
Right ascension	13h58m40.8s
Declination	−44°48′13″
Apparent magnitude (V)	+3.87
Characteristics
Spectral type	B2IV-V
U-B color index	−0.80
B-V color index	−0.20
Variable type	none
Astrometry
Radial velocity (Rv)	+5 km/s
Proper motion (μ)	RA: −27.97 mas/yr Dec.: −21.69 mas/yr
Parallax (π)	7.81 ± 0.70 mas
Distance	418 ly (128 pc)
Absolute magnitude (MV)	−1.66
Other designations
HR 5249, HD 121790, CD−44°9010, FK5 3112, HIP 68282, SAO 224585, GC 18883
Database references
SIMBAD	data

Upsilon¹ Centauri (υ¹ Cen / υ¹ Centauri) is a star in the constellation Centaurus.

υ¹ Centauri is a blue-white B-type subgiant with an apparent magnitude of +3.87. It is approximately 418 light years from Earth.