Eggen/Greenstein white dwarf 277

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1241, Giclas (G) 185-32, Eggen/Greenstein white dwarf (EG) 277
Arity: singular
Right Ascension and Declination: 19h35m10s, +27°36'23" (epoch 1950.0)
Distance from Sol: 58.7 light-years (18.0 parsecs)
Standard error in distance: 4.9573%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 21.0, -47.6, 27.2
Galactic (X,Y,Z) coordinates in ly: 27.0, 52.0, 3.28
Proper motion: 0.405 arcsec/yr (85.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: DAV5
Luminosity Class: wd
Apparent visual magnitude: +12.98
Absolute visual magnitude: +11.71
Visual luminosity: 0.0018 x Sol
Color indices: B-V= +0.17, U-B= -0.56
Diameter: 0.0149 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.043 A.U.s
Angular size of star in sky in CZ: 0.186701 degrees

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