Ross 136

light-years

Catalog numbers:
     Gliese (Gl) 712, Giclas (G) 141-4, Luyten Half-Second (LHS) 464, Ross 136
Arity: singular
Right Ascension and Declination: 18h19m44s, +6°18'53" (epoch 1950.0)
Distance from Sol: 47.2 light-years (14.5 parsecs)
Standard error in distance: 4.426%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 4.03, -46.7, 5.19
Galactic (X,Y,Z) coordinates in ly: 38.0, 26.9, 7.69
Proper motion: 1.158 arcsec/yr (272.7° from north)
Radial Velocity: -48 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -29.5, -60.7, 63.7

What do all these fields mean?


Spectral class: M3
Luminosity Class: V-VI
Apparent visual magnitude: +12.58
Absolute visual magnitude: +11.78
Visual luminosity: 0.0017 x Sol
Color indices: B-V= +1.48, U-B= +1.07, R-I= +1.11
Comfort Zone (visual): 0.041 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.