Cordoba Durchmusterung -24°16193

light-years

Catalog numbers:
     Gliese (Gl) 796, Henry Draper (HD) 196761, Cordoba Durchmusterung (CD) -24°16193, Luyten Half-Second (LHS) 3570, Hipparcos Input Catalog (HIC) 101997, Smithsonian Astrophysical Observatory (SAO) 189549, Hoffleit Bright Star (HR) 7898
Arity: singular
Right Ascension and Declination: 20h40m11.897s, -23°46'24.16" (epoch 2000.0)
Distance from Sol: 47.8 light-years (14.6 parsecs)
Standard error in distance: 1.1867%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 28.1, -33.5, -19.3
Galactic (X,Y,Z) coordinates in ly: 36.6, 14.6, -27.0
Proper motion: 0.678 arcsec/yr (46.8° from north)
Radial Velocity: -45.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -61.9, 19.7, 6.81

What do all these fields mean?


Spectral class: G8
Luminosity Class: V
Apparent visual magnitude: +6.36
Absolute visual magnitude: +5.53
Visual luminosity: 0.53 x Sol
Color indices: B-V= +0.72, U-B= +0.22, R-I= +0.26
Diameter: 0.88 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.73 A.U.s
Angular size of star in sky in CZ: 0.644047 degrees

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