Catalogue Astrographique +17534-105


Catalog numbers:
     Gliese (Gl) 829, Giclas (G) 126-4, Luyten Half-Second (LHS) 508, Hipparcos Input Catalog (HIC) 106106, Catalogue Astrographique (AC) +17534-105
Arity: singular
Right Ascension and Declination: 21h29m36.804s, +17°38'35.69" (epoch 2000.0)
Distance from Sol: 22.0 light-years (6.74 parsecs)
Standard error in distance: 1.2322%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 16.6, -12.8, 6.67
Galactic (X,Y,Z) coordinates in ly: 6.82, 18.9, -8.93
Proper motion: 1.058 arcsec/yr (69.8° from north)
Radial Velocity: -24.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -38.0, -17.3, -4.28

What do all these fields mean?

Spectral class: M3.5
Luminosity Class: V
Apparent visual magnitude: +10.33
Absolute visual magnitude: +11.18
Visual luminosity: 0.0029 x Sol
Color indices: B-V= +1.63, U-B= +1.28, R-I= +1.15
Comfort Zone (visual): 0.054 A.U.s

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