Ross 555

light-years

Catalog numbers:
     Gliese (Gl) 78, Giclas (G) 271-168, Luyten Half-Second (LHS) 1303 , Ross 555
Arity: singular
Right Ascension and Declination: 1h49m19s, -11°2'36" (epoch 1950.0)
Distance from Sol: 38 light-years (12 parsecs)
Standard error in distance: 13.3938%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 33, 17, -7.3
Galactic (X,Y,Z) coordinates in ly: -14, 3.2, -35
Proper motion: 0.793 arcsec/yr (133.7° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: M3.5
Luminosity Class: V?
Apparent visual magnitude: +11.80
Absolute visual magnitude: +11.47
Visual luminosity: 0.002 x Sol
Color indices: B-V= +1.50
Comfort Zone (visual): 0.05 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.