Luyten 116-79

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 2149, Eggen/Greenstein white dwarf (EG) 140, Luyten (L) 116-79, Luyten Two-Tenth (LTT) 8190, Bruce Proper Motion (BPM) 13491
Arity: singular
Right Ascension and Declination: 20h39m36s, -68°16'0" (epoch 1950.0)
Distance from Sol: 84 light-years (26 parsecs)
Standard error in distance: 18.75%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 20, -24, -78
Galactic (X,Y,Z) coordinates in ly: 57, -37, -49
Proper motion: 0.247 arcsec/yr (138.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: DA3
Luminosity Class: wd
Apparent visual magnitude: +13.40
Absolute visual magnitude: +11.36
Visual luminosity: 0.002 x Sol
Color indices: B-V= +0.10, U-B= -0.80
Diameter: 0.011 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.05 A.U.s
Angular size of star in sky in CZ: 0.117311 degrees

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