Eggen/Greenstein white dwarf 190

light-years

Catalog numbers:
     Eggen/Greenstein white dwarf (EG) 190, Giclas white Dwarf (GD) 175
Arity: singular
Right Ascension and Declination: 15h3m10s, -7°3'6" (epoch 1950.0)
Distance from Sol: 83 light-years (26 parsecs)
Standard error in distance: 12.3318%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -58, -59, -10
Galactic (X,Y,Z) coordinates in ly: 61, -9.3, 57
Proper motion: 0.2 arcsec/yr (266.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: DA7
Luminosity Class: wd
Apparent visual magnitude: +15.90
Absolute visual magnitude: +13.86
Visual luminosity: 0.0002 x Sol
Color indices: B-V= +0.39, U-B= -0.43
Comfort Zone (visual): 0.02 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.