Bonner Durchmusterung -8°38

light-years

Catalog numbers:
     Gliese (Gl) 16.1, Henry Draper (HD) 1461, Bonner Durchmusterung (BD) -8°38, Hipparcos Input Catalog (HIC) 1499, Smithsonian Astrophysical Observatory (SAO) 128690, Hoffleit Bright Star (HR) 72
Heavy element abundance: 269% of Sol
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 0h18m41.888s, -8°3'10.98" (epoch 2000.0)
Distance from Sol: 76.4 light-years (23.4 parsecs)
Standard error in distance: 1.9531%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 75.4, 6.17, -10.7
Galactic (X,Y,Z) coordinates in ly: -5.27, 26.4, -71.5
Proper motion: 0.443 arcsec/yr (108.6° from north)
Radial Velocity: -10.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -31.8, -39.0, -0.95

What do all these fields mean?


Spectral class: G5
Luminosity Class: IV-V
Apparent visual magnitude: +6.46
Absolute visual magnitude: +4.61
Visual luminosity: 1.25 x Sol
Color indices: B-V= +0.68
Diameter: 1.31 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.12 A.U.s
Angular size of star in sky in CZ: 0.625351 degrees

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