Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Columba
Right ascension 05h 50m 57.5929s[1]
Declination −35° 46′ 05.9152″[1]
Apparent magnitude (V) 3.105[2]
Characteristics
Spectral type K1 IIICN+1[3]
U−B color index +1.189[2]
B−V color index +1.162[2]
R−I color index +0.58[4]
Astrometry
Radial velocity (Rv) +88.9[5] km/s
Proper motion (μ) RA: +54.77[1] mas/yr
Dec.: 404.20[1] mas/yr
Parallax (π) 37.41 ± 0.12[1] mas
Distance 87.2 ± 0.3 ly
(26.73 ± 0.09 pc)
Details
Mass 1.10 ± 0.20[6] M
Radius 11.5[7] R
Luminosity (bolometric) 56[8] L
Surface gravity (log g) 2.62[3] cgs
Temperature 4,545[3] K
Metallicity [Fe/H] 0.11[3] dex
Age 2[9] Gyr
Other designations
β Col, Beta Columbae, Beta Col, CD−35 2546, CPD−35 752, FK5 223, GC 7364, HD 39425, HIP 27628,HR 2040, LTT 2392, NLTT 15724, PPM 281952,SAO 196240.[10]
Database references
SIMBAD data