Eggen/Greenstein white dwarf 45

light-years

Catalog numbers:
     Gliese (Gl) 223.2, Luyten Half-Second (LHS) 32, Eggen/Greenstein white dwarf (EG) 45, Luyten Palomar (LP) 658-2
Arity: singular
Right Ascension and Declination: 5h52m39s, -4°8'48" (epoch 1950.0)
Distance from Sol: 21.1 light-years (6.46 parsecs)
Standard error in distance: 1.8389%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 0.67, 21.0, -1.52
Galactic (X,Y,Z) coordinates in ly: -17.6, -10.3, -5.24
Proper motion: 2.377 arcsec/yr (166.6° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: DZ9
Luminosity Class: wd
Apparent visual magnitude: +14.45
Absolute visual magnitude: +15.40
Visual luminosity: 0.000060 x Sol
Color indices: B-V= +1.05, U-B= +0.77, R-I= +0.29
Comfort Zone (visual): 0.0078 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.