Bonner Durchmusterung +25°2568

light-years

Catalog numbers:
     Gliese (Gl) 486.1, Henry Draper (HD) 111395, Bonner Durchmusterung (BD) +25°2568, Hipparcos Input Catalog (HIC) 62523, Smithsonian Astrophysical Observatory (SAO) 82511, FK4 Supplement (FK4 Sup) 3021, Hoffleit Bright Star (HR) 4864
Arity: singular
Right Ascension and Declination: 12h48m47.035s, +24°50'24.61" (epoch 2000.0)
Distance from Sol: 56.0 light-years (17.2 parsecs)
Standard error in distance: 1.6717%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -49.7, -10.7, 23.5
Galactic (X,Y,Z) coordinates in ly: 1.33, -2.12, 56.0
Proper motion: 0.358 arcsec/yr (251.9° from north)
Radial Velocity: -8.7 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -18.5, -22.3, -9.12

What do all these fields mean?


Spectral class: G7
Luminosity Class: V
Apparent visual magnitude: +6.30
Absolute visual magnitude: +5.12
Visual luminosity: 0.78 x Sol
Color indices: B-V= +0.70, U-B= +0.26, R-I= +0.23
Diameter: 1.05 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.88 A.U.s
Angular size of star in sky in CZ: 0.636210 degrees

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