Beta Ceti

light-years
Proper names: Beta Ceti
Catalog numbers:
     Gliese (Gl) 31, Henry Draper (HD) 4128, Bonner Durchmusterung (BD) -18°115, Hipparcos Input Catalog (HIC) 3419, Smithsonian Astrophysical Observatory (SAO) 147420, Fifth Fundamental Catalogue (FK5) 22, Hoffleit Bright Star (HR) 188, New Suspected Variable (NSV) 272
Heavy element abundance: 92% of Sol
Standard error in heavy element abundance: 10%
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 0h43m35.372s, -17°59'11.82" (epoch 2000.0)
Distance from Sol: 95.8 light-years (29.4 parsecs)
Standard error in distance: 2.3523%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 89.5, 17.2, -29.6
Galactic (X,Y,Z) coordinates in ly: -6.74, 14.3, -94.5
Proper motion: 0.234 arcsec/yr (81.0° from north)
Radial Velocity: 13.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -30.8, -11.0, -13.0

What do all these fields mean?


Spectral class: K1e
Luminosity Class: III
Apparent visual magnitude: +2.04
Absolute visual magnitude: -0.30
Visual luminosity: 115 x Sol
Color indices: B-V= +1.01
Diameter: 23.4 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 10.7 A.U.s
Angular size of star in sky in CZ: 1.160658 degrees

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