Catalogue Astrographique +25°7918

light-years

Catalog numbers:
     Gliese (Gl) 109, Luyten Half-Second (LHS) 1439 , Vyssotsky McCormick (McC) 400, Catalogue Astrographique (AC) +25°7918
Arity: singular
Right Ascension and Declination: 2h41m18s, +25°19'0" (epoch 1950.0)
Distance from Sol: 26.0 light-years (7.96 parsecs)
Standard error in distance: 2.1044%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 17.9, 15.2, 11.1
Galactic (X,Y,Z) coordinates in ly: -19.8, 10.2, -13.3
Proper motion: 0.923 arcsec/yr (113.8° from north)
Radial Velocity: 29.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -40.2, -18.3, -12.5

What do all these fields mean?


Spectral class: M3n
Luminosity Class: V
Apparent visual magnitude: +10.57
Absolute visual magnitude: +11.06
Visual luminosity: 0.0033 x Sol
Color indices: B-V= +1.56
Comfort Zone (visual): 0.057 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.