Catalogue Astrographique +1°1951-103

light-years

Catalog numbers:
     Gliese (Gl) 182, Vyssotsky McCormick (McC) 111, Catalogue Astrographique (AC) +1°1951-103
Arity: singular
Right Ascension and Declination: 4h56m59s, +1°42'36" (epoch 1950.0)
Distance from Sol: 53 light-years (16 parsecs)
Standard error in distance: 17.5676%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 15, 51, 1.6
Galactic (X,Y,Z) coordinates in ly: -47, -15, -22
Proper motion: 0.16 arcsec/yr (195.0° from north)
Radial Velocity: 18.2 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -9.8, -12, -16

What do all these fields mean?


Spectral class: M0.5
Luminosity Class: V
Apparent visual magnitude: +10.09
Absolute visual magnitude: +9.02
Visual luminosity: 0.02 x Sol
Color indices: B-V= +1.39, U-B= +1.13, R-I= +0.75
Comfort Zone (visual): 0.1 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.