51 Arietis

light-years
Proper names: 51 Arietis
Catalog numbers:
     Gliese (Gl) 120.2, Henry Draper (HD) 18803, Bonner Durchmusterung (BD) +26°503, Hipparcos Input Catalog (HIC) 14150, Smithsonian Astrophysical Observatory (SAO) 75696
Arity: singular
Right Ascension and Declination: 3h2m26.02s, +26°36'33.38" (epoch 2000.0)
Distance from Sol: 69.0 light-years (21.2 parsecs)
Standard error in distance: 1.8488%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 43.2, 44.1, 30.9
Galactic (X,Y,Z) coordinates in ly: -56.3, 24.4, -31.5
Proper motion: 0.28 arcsec/yr (124.5° from north)
Radial Velocity: 9.6 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -18.8, -22.5, -4.92

What do all these fields mean?


Spectral class: G8
Luminosity Class: V
Apparent visual magnitude: +6.67
Absolute visual magnitude: +5.04
Visual luminosity: 0.84 x Sol
Color indices: B-V= +0.72
Comfort Zone (visual): 0.92 A.U.s

light-years
but not more than light-years away
Data for this star system were most recently updated on 4-April-2001.