Cordoba Durchmusterung -26°1207

light-years

Catalog numbers:
     Gliese (Gl) 131, Henry Draper (HD) 20280, Cordoba Durchmusterung (CD) -26°1207 , Hipparcos Input Catalog (HIC) 15095, Smithsonian Astrophysical Observatory (SAO) 168403, Vyssotsky McCormick (McC) 225
Arity: singular
Right Ascension and Declination: 3h14m44.702s, -26°26'46.8" (epoch 2000.0)
Distance from Sol: 59.9 light-years (18.4 parsecs)
Standard error in distance: 2.4879%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 35.4, 40.3, -26.7
Galactic (X,Y,Z) coordinates in ly: -24.6, -20.5, -50.6
Proper motion: 0.269 arcsec/yr (69.4° from north)
Radial Velocity: 14.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -23.8, -14.3, -0.26

What do all these fields mean?


Spectral class: K7
Luminosity Class: V
Apparent visual magnitude: +9.17
Absolute visual magnitude: +7.85
Visual luminosity: 0.063 x Sol
Color indices: B-V= +1.24
Diameter: 0.7 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.25 A.U.s
Angular size of star in sky in CZ: 1.485191 degrees

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