Catalogue Astrographique +66°3955

light-years

Catalog numbers:
     Gliese (Gl) 487, Giclas (G) 237-78, Hipparcos Input Catalog (HIC) 62556, Vyssotsky McCormick (McC) 676, Catalogue Astrographique (AC) +66°3955, Luyten Two-Tenth (LTT) 13665
Arity: singular
Right Ascension and Declination: 12h49m2.765s, +66°6'36.69" (epoch 2000.0)
Distance from Sol: 33.2 light-years (10.2 parsecs)
Standard error in distance: 1.6732%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -13.2, -2.86, 30.4
Galactic (X,Y,Z) coordinates in ly: -11.3, 17.4, 25.9
Proper motion: 0.437 arcsec/yr (258.0° from north)
Radial Velocity: -3.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -14.4, -15.7, 0.33

What do all these fields mean?


Spectral class: M3
Luminosity Class: V-VI
Apparent visual magnitude: +10.94
Absolute visual magnitude: +10.89
Visual luminosity: 0.0038 x Sol
Color indices: B-V= +1.64, U-B= +1.21, R-I= +1.16
Comfort Zone (visual): 0.062 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.