Cordoba Durchmusterung -316229


Catalog numbers:
     Gliese (Gl) 309, Henry Draper (HD) 72673, Cordoba Durchmusterung (CD) -316229, Luyten Half-Second (LHS) 249, Hipparcos Input Catalog (HIC) 41926, Smithsonian Astrophysical Observatory (SAO) 199352, Hoffleit Bright Star (HR) 3384
Arity: singular
Right Ascension and Declination: 8h32m51.497s, -31°30'3.11" (epoch 2000.0)
Distance from Sol: 39.70 light-years (12.17 parsecs)
Standard error in distance: 0.797%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -20.94, 26.60, -20.75
Galactic (X,Y,Z) coordinates in ly: -11.77, -37.74, 3.611
Proper motion: 1.35 arcsec/yr (304.0° from north)
Radial Velocity: 15.7 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -75.55, 4.743, -24.18

What do all these fields mean?

Spectral class: K0
Luminosity Class: V
Apparent visual magnitude: +6.38
Absolute visual magnitude: +5.95
Visual luminosity: 0.362 x Sol
Color indices: B-V= +0.78, U-B= +0.32, R-I= +0.28
Diameter: 0.837 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.601 A.U.s
Angular size of star in sky in CZ: 0.742188 degrees

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