Eggen/Greenstein white dwarf 201

light-years

Catalog numbers:
     Gliese (Gl) 755.1, Eggen/Greenstein white dwarf (EG) 201, Giclas white Dwarf (GD) 219, Bruce Proper Motion (BPM) 94172
Arity: singular
Right Ascension and Declination: 19h19m23s, +14°34'53" (epoch 1950.0)
Distance from Sol: 64.1 light-years (19.6 parsecs)
Standard error in distance: 9.4306%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 21.1, -58.3, 16.1
Galactic (X,Y,Z) coordinates in ly: 41.7, 48.7, 0.15
Proper motion: 0.09 arcsec/yr (180.0° from north)
Radial Velocity: 35 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 28.4, 21.8, -3.90

What do all these fields mean?


Spectral class: DA5
Luminosity Class: wd
Apparent visual magnitude: +13.01
Absolute visual magnitude: +11.54
Visual luminosity: 0.0021 x Sol
Color indices: B-V= +0.06, U-B= -0.66
Comfort Zone (visual): 0.046 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.