Eggen/Greenstein white dwarf 378

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1261, Giclas (G) 231-40, Hipparcos Input Catalog (HIC) 105230, Eggen/Greenstein white dwarf (EG) 378
Arity: singular
Right Ascension and Declination: 21h18m55.317s, +54°12'53.2" (epoch 2000.0)
Distance from Sol: 64 light-years (20 parsecs)
Standard error in distance: 10.8581%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 29, -24, 52
Galactic (X,Y,Z) coordinates in ly: -5.9, 64, 3.7
Proper motion: 0.24 arcsec/yr (333.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: DA
Luminosity Class: wd
Apparent visual magnitude: +11.97
Absolute visual magnitude: +10.50
Visual luminosity: 0.005 x Sol
Color indices: B-V= +0.07, U-B= -0.67
Comfort Zone (visual): 0.07 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.