Eggen/Greenstein white dwarf 321

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1098, Giclas (G) 234-4, Eggen/Greenstein white dwarf (EG) 321, Luyten Palomar (LP) 58-247
Arity: singular
Right Ascension and Declination: 7h28m49s, +64°16'6" (epoch 1950.0)
Distance from Sol: 59.3 light-years (18.2 parsecs)
Standard error in distance: 9.8361%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -9.73, 23.8, 53.4
Galactic (X,Y,Z) coordinates in ly: -46.0, 24.2, 28.5
Proper motion: 0.258 arcsec/yr (164.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: DC9
Luminosity Class: wd
Apparent visual magnitude: +16.38
Absolute visual magnitude: +15.08
Visual luminosity: 0.000081 x Sol
Color indices: B-V= +0.91
Comfort Zone (visual): 0.0090 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.