58 Eridani

light-years
Proper names: 58 Eridani
Catalog numbers:
     Gliese (Gl) 177, Henry Draper (HD) 30495, Bonner Durchmusterung (BD) -17°954, Hipparcos Input Catalog (HIC) 22263, Smithsonian Astrophysical Observatory (SAO) 149888, Hoffleit Bright Star (HR) 1532
Heavy element abundance: 126% of Sol
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 4h47m36.314s, -16°56'3.9" (epoch 2000.0)
Distance from Sol: 43.4 light-years (13.3 parsecs)
Standard error in distance: 1.054%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 12.9, 39.5, -12.7
Galactic (X,Y,Z) coordinates in ly: -29.2, -20.8, -24.5
Proper motion: 0.213 arcsec/yr (36.8° from north)
Radial Velocity: 21.7 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -23.9, -8.51, -2.72

What do all these fields mean?


Spectral class: G1
Luminosity Class: V
Apparent visual magnitude: +5.49
Absolute visual magnitude: +4.87
Visual luminosity: 0.98 x Sol
Color indices: B-V= +0.63, U-B= +0.13, R-I= +0.22
Diameter: 0.66 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.99 A.U.s
Angular size of star in sky in CZ: 0.354833 degrees

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