Cordoba Durchmusterung -268883


Catalog numbers:
     Gliese (Gl) 453, Henry Draper (HD) 103932, Cordoba Durchmusterung (CD) -268883, Luyten Half-Second (LHS) 319, Hipparcos Input Catalog (HIC) 58345, Smithsonian Astrophysical Observatory (SAO) 180337, FK5 Extension (FK5 Ext) 5052
Arity: singular
Right Ascension and Declination: 11h57m56.209s, -27°42'25.2" (epoch 2000.0)
Distance from Sol: 33.23 light-years (10.19 parsecs)
Standard error in distance: 0.8885%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -29.42, 0.265, -15.45
Galactic (X,Y,Z) coordinates in ly: 9.215, -26.11, 18.36
Proper motion: 1.246 arcsec/yr (240.1° from north)
Radial Velocity: 49.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -19.70, -75.32, -6.957

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: K5
Luminosity Class: V
Apparent visual magnitude: +6.99
Absolute visual magnitude: +6.95
Visual luminosity: 0.145 x Sol
Color indices: B-V= +1.15, U-B= +1.10, R-I= +0.42
Mass: 0.56 x Sol
Diameter: 1.369 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.381 A.U.s
Orbital period in CZ: 114.673 days
Tidal index in CZ: 10.1451
Angular size of star in sky in CZ: 1.916256 degrees

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