Wolf 636

light-years

Catalog numbers:
     Gliese (Gl) 654, Bonner Durchmusterung (BD) -4°4226, Luyten Half-Second (LHS) 432, Hipparcos Input Catalog (HIC) 83599, Vyssotsky McCormick (McC) 787B, Wolf 636, Luyten FT (LFT) 1317, New Suspected Variable (NSV) 8176
Arity: singular
Right Ascension and Declination: 17h5m13.85s, -5°5'39.9" (epoch 2000.0)
Distance from Sol: 31.2 light-years (9.56 parsecs)
Standard error in distance: 9.1934%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -7.35, -30.2, -2.77
Galactic (X,Y,Z) coordinates in ly: 28.2, 7.91, 10.8
Proper motion: 1.461 arcsec/yr (219.2° from north)
Radial Velocity: 34.6 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 46.1, -55.2, 20.1

What do all these fields mean?


Spectral class: M3.5
Luminosity Class: V
Apparent visual magnitude: +10.08
Absolute visual magnitude: +10.18
Visual luminosity: 0.0074 x Sol
Color indices: B-V= +1.44, U-B= +1.07, R-I= +0.91
Comfort Zone (visual): 0.086 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.