Luyten 565-18

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 2147, Hipparcos Input Catalog (HIC) 99438, Luyten (L) 565-18, Luyten Two-Tenth (LTT) 7987
Arity: singular
Right Ascension and Declination: 20h10m56.83s, -30°13'6.3" (epoch 2000.0)
Distance from Sol: 50.1 light-years (15.4 parsecs)
Standard error in distance: 5.587%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 23.4, -36.4, -25.2
Galactic (X,Y,Z) coordinates in ly: 42.4, 9.17, -25.1
Proper motion: 0.423 arcsec/yr (236.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: DA4
Luminosity Class: wd
Apparent visual magnitude: +12.18
Absolute visual magnitude: +11.25
Visual luminosity: 0.0028 x Sol
Color indices: B-V= +0.07, U-B= -0.66
Comfort Zone (visual): 0.053 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.