Eggen/Greenstein white dwarf 307

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1039, Giclas (G) 269-160, Luyten Half-Second (LHS) 1247 , Eggen/Greenstein white dwarf (EG) 307
Arity: singular
Right Ascension and Declination: 1h23m2s, -26°16'0" (epoch 1950.0)
Distance from Sol: 60.4 light-years (18.5 parsecs)
Standard error in distance: 8.4746%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 50.6, 19.2, -26.7
Galactic (X,Y,Z) coordinates in ly: -7.23, -3.59, -59.9
Proper motion: 0.551 arcsec/yr (156.8° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: DC7
Luminosity Class: wd
Apparent visual magnitude: +14.95
Absolute visual magnitude: +13.61
Visual luminosity: 0.00031 x Sol
Color indices: B-V= +0.40
Comfort Zone (visual): 0.018 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.