Cordoba Durchmusterung -44°14214

light-years

Catalog numbers:
     Gliese (Gl) 812.1, Henry Draper (HD) 199288, Cordoba Durchmusterung (CD) -44°14214, Luyten Half-Second (LHS) 503, Hipparcos Input Catalog (HIC) 103458, Smithsonian Astrophysical Observatory (SAO) 230458, Woolley (Wo) 9712
Arity: singular
Right Ascension and Declination: 20h57m40.11s, -44°7'46.08" (epoch 2000.0)
Distance from Sol: 70.5 light-years (21.6 parsecs)
Standard error in distance: 1.7208%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 35.4, -36.1, -49.1
Galactic (X,Y,Z) coordinates in ly: 52.9, -2.82, -46.5
Proper motion: 1.101 arcsec/yr (207.9° from north)
Radial Velocity: -9.6 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 22.2, -101, 45.9

What do all these fields mean?


Spectral class: G0
Luminosity Class: V
Apparent visual magnitude: +6.52
Absolute visual magnitude: +4.84
Visual luminosity: 1.01 x Sol
Color indices: B-V= +0.58, U-B= -0.02, R-I= +0.21
Diameter: 0.94 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.00 A.U.s
Angular size of star in sky in CZ: 0.499288 degrees

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