Eggen/Greenstein white dwarf 251

light-years

Catalog numbers:
     Giclas (G) 195-42, Eggen/Greenstein white dwarf (EG) 251
Arity: singular
Right Ascension and Declination: 9h46m55s, +53°29'11" (epoch 1950.0)
Distance from Sol: 74.3 light-years (22.8 parsecs)
Standard error in distance: 7.384%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -37.0, 24.3, 59.7
Galactic (X,Y,Z) coordinates in ly: -47.6, 15.3, 55.0
Proper motion: 0.268 arcsec/yr (265.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: DQ6
Luminosity Class: wd
Apparent visual magnitude: +15.20
Absolute visual magnitude: +13.41
Visual luminosity: 0.00038 x Sol
Color indices: B-V= +0.13, U-B= -0.70
Comfort Zone (visual): 0.019 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.