Eggen/Greenstein white dwarf 176

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 2135, Giclas (G) 155-15, Luyten Half-Second (LHS) 3384, Eggen/Greenstein white dwarf (EG) 176, McCook & Sion White Dwarf (WD) 1821-131
Arity: singular
Right Ascension and Declination: 18h21m15s, -13°9'54" (epoch 1950.0)
Distance from Sol: 65 light-years (20 parsecs)
Standard error in distance: 16.6667%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 5.9, -63, -15
Galactic (X,Y,Z) coordinates in ly: 62, 20, -0.02
Proper motion: 0.637 arcsec/yr (195.9° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: DA7
Luminosity Class: wd
Apparent visual magnitude: +15.60
Absolute visual magnitude: +14.09
Visual luminosity: 0.0002 x Sol
Color indices: B-V= +0.42, U-B= -0.60
Comfort Zone (visual): 0.01 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.