Luyten 190-21

light-years

Catalog numbers:
     Luyten (L) 190-21, Bruce Proper Motion (BPM) 19929
Arity: singular
Right Ascension and Declination: 10h13m12s, -55°55'0" (epoch 1950.0)
Distance from Sol: 36.2 light-years (11.1 parsecs)
Standard error in distance: 10%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -18.1, 9.13, -30.0
Galactic (X,Y,Z) coordinates in ly: 7.77, -35.4, 0.21
Proper motion: 0.136 arcsec/yr (298.0° from north)
Radial Velocity: 11 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -4.60, -12.3, -0.68

What do all these fields mean?


Spectral class: DZ9
Luminosity Class: wd
Apparent visual magnitude: +15.10
Absolute visual magnitude: +14.87
Visual luminosity: 0.000098 x Sol
Color indices: B-V= +0.68, U-B= -0.12
Comfort Zone (visual): 0.0099 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.