Cordoba Durchmusterung -25°3913

light-years

Catalog numbers:
     Gliese (Gl) 259, Henry Draper (HD) 52698, Cordoba Durchmusterung (CD) -25°3913, Hipparcos Input Catalog (HIC) 33817, Smithsonian Astrophysical Observatory (SAO) 172768
Arity: singular
Right Ascension and Declination: 7h1m13.78s, -25°56'55.43" (epoch 2000.0)
Distance from Sol: 47.7 light-years (14.6 parsecs)
Standard error in distance: 1.0414%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -11.3, 41.3, -20.9
Galactic (X,Y,Z) coordinates in ly: -25.2, -39.7, -7.57
Proper motion: 0.207 arcsec/yr (79.7° from north)
Radial Velocity: 12.6 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -4.54, -14.4, 11.6

What do all these fields mean?


Spectral class: K0e
Luminosity Class: V
Apparent visual magnitude: +6.71
Absolute visual magnitude: +5.89
Visual luminosity: 0.38 x Sol
Color indices: B-V= +0.89, U-B= +0.62, R-I= +0.30
Diameter: 0.86 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.62 A.U.s
Angular size of star in sky in CZ: 0.739452 degrees

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