Eggen/Greenstein white dwarf 375

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1234, Giclas (G) 125-3, Eggen/Greenstein white dwarf (EG) 375
Arity: singular
Right Ascension and Declination: 19h17m15s, +38°38'0" (epoch 1950.0)
Distance from Sol: 38.1 light-years (11.7 parsecs)
Standard error in distance: 4.3575%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 9.84, -28.1, 23.8
Galactic (X,Y,Z) coordinates in ly: 12.4, 35.2, 7.70
Proper motion: 0.25 arcsec/yr (179.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: DC7
Luminosity Class: wd
Apparent visual magnitude: +14.57
Absolute visual magnitude: +14.23
Visual luminosity: 0.00018 x Sol
Color indices: B-V= +0.44, U-B= -0.36
Diameter: 0.0172 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.013 A.U.s
Angular size of star in sky in CZ: 0.690101 degrees

light-years
but not more than light-years away
Data for this star system were most recently updated on 4-April-2001.