Catalogue Astrographique +68°2911

light-years

Catalog numbers:
     Gliese (Gl) 258, Giclas (G) 250-33, Hipparcos Input Catalog (HIC) 34115, Catalogue Astrographique (AC) +68°2911
Arity: singular
Right Ascension and Declination: 6h59m7s, +68°21'41" (epoch 1950.0)
Distance from Sol: 49.8 light-years (15.3 parsecs)
Standard error in distance: 4.215%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -4.69, 17.8, 46.3
Galactic (X,Y,Z) coordinates in ly: -37.6, 24.2, 22.0
Proper motion: 0.341 arcsec/yr (82.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: M3.5
Luminosity Class: V
Apparent visual magnitude: +11.95
Absolute visual magnitude: +11.03
Visual luminosity: 0.0034 x Sol
Color indices: B-V= +1.53, R-I= +1.08
Comfort Zone (visual): 0.058 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.