Cordoba Durchmusterung -27°108

light-years

Catalog numbers:
     Gliese (Gl) 18, Henry Draper (HD) 2025, Cordoba Durchmusterung (CD) -27°108, Giclas (G) 266-107, Luyten Half-Second (LHS) 1067, Hipparcos Input Catalog (HIC) 1936, Smithsonian Astrophysical Observatory (SAO) 166242
Arity: singular
Right Ascension and Declination: 0h24m25.969s, -27°1'36.92" (epoch 2000.0)
Distance from Sol: 58.7 light-years (18.0 parsecs)
Standard error in distance: 1.9078%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 52.0, 5.57, -26.7
Galactic (X,Y,Z) coordinates in ly: 4.55, 3.25, -58.5
Proper motion: 0.679 arcsec/yr (82.4° from north)
Radial Velocity: 3.7 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -53.0, -21.9, -9.07

What do all these fields mean?


Spectral class: K3
Luminosity Class: V
Apparent visual magnitude: +7.93
Absolute visual magnitude: +6.66
Visual luminosity: 0.19 x Sol
Color indices: B-V= +0.95
Diameter: 0.82 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.44 A.U.s
Angular size of star in sky in CZ: 1.004100 degrees

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