Donner 466

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1143, Henry Draper (HD) 97782, Bonner Durchmusterung (BD) -22°3102, Hipparcos Input Catalog (HIC) 54922, Smithsonian Astrophysical Observatory (SAO) 179685, UGPMF 259, Donner (DON) 466, Luyten Two-Tenth (LTT) 4150
Arity: binary
Right Ascension and Declination: 11h14m48.23s, -23°6'18.5" (epoch 2000.0)
Distance from Sol: 73.9 light-years (22.7 parsecs)
Standard error in distance: 3.626%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -66.7, 13.3, -29.0
Galactic (X,Y,Z) coordinates in ly: 6.88, -60.5, 42.0
Proper motion: 0.45 arcsec/yr (215.3° from north)
Source for proper motion: Gliese

What do all these fields mean?


Component A:
Spectral class: K4
Luminosity Class: V
Apparent visual magnitude: +8.98
Absolute visual magnitude: +7.20
Visual luminosity: 0.11 x Sol
Color indices: B-V= +1.14, U-B= +1.02, R-I= +0.51
Comfort Zone (visual): 0.34 A.U.s


Component B:
Apparent visual magnitude: +13.50
Absolute visual magnitude: +11.72
Visual luminosity: 0.0018 x Sol
Comfort Zone (visual): 0.042 A.U.s

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