Beta Eridani

light-years
Proper names: Beta Eridani, Cursa, Kursa, 67 Eridani
Catalog numbers:
     Woolley (Wo) 9175, Henry Draper (HD) 33111, Bonner Durchmusterung (BD) -5°1162, Hipparcos Input Catalog (HIC) 23875, Smithsonian Astrophysical Observatory (SAO) 131794, Fifth Fundamental Catalogue (FK5) 188, Hoffleit Bright Star (HR) 1666, New Suspected Variable (NSV) 1841
Arity: singular
Right Ascension and Declination: 5h7m50.972s, -5°5'11.23" (epoch 2000.0)
Distance from Sol: 88.8 light-years (27.2 parsecs)
Standard error in distance: 2.0283%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 20.0, 86.2, -7.88
Galactic (X,Y,Z) coordinates in ly: -72.8, -34.9, -37.2
Proper motion: 0.128 arcsec/yr (230.9° from north)
Radial Velocity: -9.2 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 15.0, 3.64, -10.9

What do all these fields mean?


Spectral class: A3
Luminosity Class: III
Apparent visual magnitude: +2.78
Absolute visual magnitude: +0.61
Visual luminosity: 49.8 x Sol
Color indices: B-V= +0.13, U-B= +0.10, R-I= -0.01
Diameter: 3.25 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 7.05 A.U.s
Angular size of star in sky in CZ: 0.245586 degrees

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