CC 658


Catalog numbers:
     Gliese (Gl) 440, CC 658, Luyten Half-Second (LHS) 43, Hipparcos Input Catalog (HIC) 57367, Eggen/Greenstein white dwarf (EG) 82, Luyten (L) 145-141, McCook & Sion White Dwarf (WD) 1142-64
Arity: singular
Right Ascension and Declination: 11h45m42.861s, -64°50'31.28" (epoch 2000.0)
Distance from Sol: 15.07 light-years (4.621 parsecs)
Standard error in distance: 0.9656%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -6.395, 0.399, -13.64
Galactic (X,Y,Z) coordinates in ly: 6.678, -13.49, -0.805
Proper motion: 2.667 arcsec/yr (97.2° from north)
Source for proper motion: Gliese

What do all these fields mean?

Spectral class: DQ6
Luminosity Class: wd
Apparent visual magnitude: +11.50
Absolute visual magnitude: +13.18
Visual luminosity: 0.000466 x Sol
Color indices: B-V= +0.19, U-B= -0.63, R-I= +0.06
Diameter: 0.01 x Sol
Comfort Zone (visual): 0.0216 A.U.s
Angular size of star in sky in CZ: 0.247034 degrees

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