Cape Photographic Durchmusterung -66°53

light-years

Catalog numbers:
     Gliese (Gl) 31.5, Henry Draper (HD) 4308, Cape Photographic Durchmusterung (CPD) -66°53, Luyten Half-Second (LHS) 1139, Hipparcos Input Catalog (HIC) 3497, Smithsonian Astrophysical Observatory (SAO) 248244, Luyten Two-Tenth (LTT) 416, Woolley (Wo) 9028
Heavy element abundance: 40% of Sol
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 0h44m39.273s, -65°38'58.11" (epoch 2000.0)
Distance from Sol: 71.3 light-years (21.9 parsecs)
Standard error in distance: 1.209%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 28.8, 5.69, -64.9
Galactic (X,Y,Z) coordinates in ly: 24.5, -36.7, -56.0
Proper motion: 0.76 arcsec/yr (167.0° from north)
Radial Velocity: 97.7 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 50.4, -111, -29.5

What do all these fields mean?


Spectral class: G3
Luminosity Class: V
Apparent visual magnitude: +6.55
Absolute visual magnitude: +4.85
Visual luminosity: 1.00 x Sol
Color indices: B-V= +0.65
Diameter: 0.92 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: 0.490107 degrees

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