Cordoba Durchmusterung -31°325

light-years

Catalog numbers:
     Gliese (Gl) 42, Henry Draper (HD) 5133, Cordoba Durchmusterung (CD) -31°325 , Giclas (G) 269-49, Luyten Half-Second (LHS) 1163, Hipparcos Input Catalog (HIC) 4148, Smithsonian Astrophysical Observatory (SAO) 192793
Arity: singular
Right Ascension and Declination: 0h53m1.136s, -30°21'24.28" (epoch 2000.0)
Distance from Sol: 45.9 light-years (14.1 parsecs)
Standard error in distance: 1.0865%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 38.6, 9.09, -23.2
Galactic (X,Y,Z) coordinates in ly: 0.70, -2.37, -45.9
Proper motion: 0.622 arcsec/yr (85.9° from north)
Radial Velocity: -7 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -36.3, -20.0, 7.48

What do all these fields mean?


NOTE: This star is actually a close-orbiting binary pair. The data below are for both sub-components of the pair combined.
Spectral class: K3
Luminosity Class: V
Apparent visual magnitude: +7.15
Absolute visual magnitude: +6.41
Visual luminosity: 0.24 x Sol
Color indices: B-V= +0.93
Diameter: 0.79 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.49 A.U.s
Angular size of star in sky in CZ: 0.864130 degrees

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