Alpha Reticuli

Alpha Reticuli
Location of α Reticuli (circled)
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Reticulum
Right ascension 04h 14m 25.47s[1]
Declination −62° 28′ 25.6926″[1]
Apparent magnitude (V) 3.315[2]
Characteristics
Spectral type G8 II-III[3]
U−B color index +0.63[4]
B−V color index +0.922[2]
R−I color index +0.659[2]
Astrometry
Radial velocity (Rv)+35.5[5] km/s
Proper motion (μ) RA: +45.069 mas/yr[1]
Dec.: +42.948 mas/yr[1]
Parallax (π)20.3431 ± 0.1859 mas[1]
Distance160 ± 1 ly
(49.2 ± 0.4 pc)[1]
Absolute magnitude (MV)−0.104±0.041[6]
Details[6]
Mass3.12±0.03[7] M☉
Radius12.09±0.33 R☉
Luminosity103±4 L☉
Surface gravity (log g)2.977±0.087 cgs
Temperature5288±45 K
Metallicity [Fe/H]0.191±0.039 dex
Rotational velocity (v sin i)4.67±0.36[7] km/s
Age330±10[7] Myr
Other designations
α Ret, Alpha Ret, CPD−62 332, FK5 156, GC 5164, HD 27256, HIP 19780, HR 1336, SAO 248969, PPM 353975, CCDM J04144-6228, WDS 04144-6228A[8][9]
Database references
SIMBADdata

Alpha Reticuli, Latinized from α Reticuli, is the Bayer designation of the brightest star in the southern circumpolar constellation of Reticulum,[10] with an apparent visual magnitude of 3.3.[2] This appears to be a solitary star[11] located at a distance of 160 light-years from Earth.[1] Although it is bright enough to be seen with the naked eye, the declination of this star means that it is best viewed from the southern hemisphere and is only readily visible south of the Tropic of Cancer.[10]

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