Eggen/Greenstein white dwarf 117

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1199, Giclas (G) 138-8, Luyten Half-Second (LHS) 3163, Eggen/Greenstein white dwarf (EG) 117
Arity: singular
Right Ascension and Declination: 16h9m6s, +13°30'23" (epoch 1950.0)
Distance from Sol: 59.4 light-years (18.2 parsecs)
Standard error in distance: 7.8859%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -26.9, -51.1, 13.9
Galactic (X,Y,Z) coordinates in ly: 39.7, 20.1, 39.3
Proper motion: 0.541 arcsec/yr (181.1° from north)
Radial Velocity: 131 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 118, 11.8, 72.7

What do all these fields mean?


Spectral class: DA6
Luminosity Class: wd
Apparent visual magnitude: +15.09
Absolute visual magnitude: +13.79
Visual luminosity: 0.00027 x Sol
Color indices: B-V= +0.23, U-B= -0.64
Comfort Zone (visual): 0.016 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.