Cordoba Durchmusterung -38°4789

light-years

Catalog numbers:
     Gliese (Gl) 320, Henry Draper (HD) 74576, Cordoba Durchmusterung (CD) -38°4789, Hipparcos Input Catalog (HIC) 42808, Smithsonian Astrophysical Observatory (SAO) 199544, UGPMF 189
Arity: singular
Right Ascension and Declination: 8h43m18.058s, -38°52'56.79" (epoch 2000.0)
Distance from Sol: 36.33 light-years (11.14 parsecs)
Standard error in distance: 0.6199%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -18.49, 21.40, -22.80
Galactic (X,Y,Z) coordinates in ly: -6.407, -35.73, 1.514
Proper motion: 0.452 arcsec/yr (318.1° from north)
Radial Velocity: 14.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -25.99, -9.910, -0.733

What do all these fields mean?


Spectral class: K1
Luminosity Class: V
Apparent visual magnitude: +6.56
Absolute visual magnitude: +6.33
Visual luminosity: 0.257 x Sol
Color indices: B-V= +0.93, U-B= +0.66, R-I= +0.30
Mass: 0.65 x Sol
Diameter: 0.81 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.507 A.U.s
Orbital period in CZ: 163.321 days
Tidal index in CZ: 5.00146
Angular size of star in sky in CZ: 0.852505 degrees

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