Delta Eridani

light-years
Proper names: Delta Eridani, 23 Eridani
Catalog numbers:
     Gliese (Gl) 150, Henry Draper (HD) 23249, Bonner Durchmusterung (BD) -10°728 , Luyten Half-Second (LHS) 1581 , Hipparcos Input Catalog (HIC) 17378, Smithsonian Astrophysical Observatory (SAO) 130686, Fifth Fundamental Catalogue (FK5) 135, Hoffleit Bright Star (HR) 1136, New Suspected Variable (NSV) 1246
Heavy element abundance: 104% of Sol
Standard error in heavy element abundance: 17%
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 3h43m14.903s, -9°45'48.25" (epoch 2000.0)
Distance from Sol: 29.50 light-years (9.043 parsecs)
Standard error in distance: 0.7895%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 16.33, 24.05, -5.002
Galactic (X,Y,Z) coordinates in ly: -19.66, -6.506, -21.00
Proper motion: 0.752 arcsec/yr (352.3° from north)
Radial Velocity: -5.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -14.06, 26.90, 11.99

What do all these fields mean?


Spectral class: K0e
Luminosity Class: IV
Apparent visual magnitude: +3.53
Absolute visual magnitude: +3.75
Visual luminosity: 2.764 x Sol
Color indices: B-V= +0.92
Diameter: 2.721 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.662 A.U.s
Angular size of star in sky in CZ: 0.872711 degrees

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