Eggen/Greenstein white dwarf 374

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1228, Giclas (G) 227-35, Eggen/Greenstein white dwarf (EG) 374
Arity: singular
Right Ascension and Declination: 18h29m22s, +54°45'0" (epoch 1950.0)
Distance from Sol: 48.5 light-years (14.9 parsecs)
Standard error in distance: 7.6923%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 3.58, -27.8, 39.6
Galactic (X,Y,Z) coordinates in ly: 4.84, 43.8, 20.4
Proper motion: 0.372 arcsec/yr (318.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: DXP8
Luminosity Class: wd
Apparent visual magnitude: +15.50
Absolute visual magnitude: +14.64
Visual luminosity: 0.00012 x Sol
Color indices: B-V= +0.49, U-B= -0.44
Comfort Zone (visual): 0.011 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.