Cordoba Durchmusterung -51°532

Catalog numbers:
Gliese (Gl) 86, Henry Draper (HD) 13445, Cordoba Durchmusterung (CD) -51°532 , Luyten Half-Second (LHS) 13 , Hipparcos Input Catalog (HIC) 10138, Smithsonian Astrophysical Observatory (SAO) 232658, Hoffleit Bright Star (HR) 637, Luyten Two-Tenth (LTT) 1130
Heavy element abundance: 50% of Sol
Source for heavy element abundance: ESO Press Release 18/98
Arity: singular
Right Ascension and Declination: 2h10m26.179s, -50°49'26.28" (epoch 2000.0)
Distance from Sol: 35.60 light-years (10.91 parsecs)
Standard error in distance: 0.6613%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 18.94, 12.12, -27.59
Galactic (X,Y,Z) coordinates in ly: 1.494, -16.67, -31.42
Proper motion: 2.264 arcsec/yr (72.9° from north)
Radial Velocity: 53.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -100.6, -76.27, -24.50

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: K0
Luminosity Class: V
Apparent visual magnitude: +6.12
Absolute visual magnitude: +5.93
Visual luminosity: 0.370 x Sol
Color indices: B-V= +0.82
Mass: 0.79 x Sol
Diameter: 0.856 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.608 A.U.s
Orbital period in CZ: 194.986 days
Tidal index in CZ: 3.50891
Angular size of star in sky in CZ: 0.750337 degrees
Detected companions: 1
Companion b:
     Mass: 4 x Jupiter, minimum
     Period: 15.78 days
     Standard Error in period: 0.253%
     Semimajor Axis: 0.11 A.U.s
     Eccentricity: 0.046
     Periastron distance: 0.10494 A.U.s
     Apastron distance: 0.11506 A.U.s
     Source for orbit data: Queloz et al. (2000)

Data for this star system were most recently updated on 4-April-2001.