Wolf 437

light-years

Catalog numbers:
     Gliese (Gl) 486, Luyten Half-Second (LHS) 341, Hipparcos Input Catalog (HIC) 62452, Wolf 437
Arity: singular
Right Ascension and Declination: 12h47m56.645s, +9°45'5.48" (epoch 2000.0)
Distance from Sol: 26.8 light-years (8.21 parsecs)
Standard error in distance: 2.326%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -25.8, -5.48, 4.54
Galactic (X,Y,Z) coordinates in ly: 4.33, -6.88, 25.5
Proper motion: 1.077 arcsec/yr (246.8° from north)
Radial Velocity: 18.8 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -20.8, -39.0, 12.7

What do all these fields mean?


Spectral class: M4
Luminosity Class: V
Apparent visual magnitude: +11.39
Absolute visual magnitude: +11.82
Visual luminosity: 0.0016 x Sol
Color indices: B-V= +1.57, U-B= +1.18, R-I= +1.22
Comfort Zone (visual): 0.040 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.