Luyten 123-59

light-years

Catalog numbers:
     Gliese (Gl) 45, Henry Draper (HD) 5633, Cape Photographic Durchmusterung (CPD) -62°75 , Luyten Half-Second (LHS) 128 , Hipparcos Input Catalog (HIC) 4473, UGPMF 11, Luyten (L) 123-59, Cordoba Durchmusterung (CD) -62°39, Smethells (Sm) 181
Arity: singular
Right Ascension and Declination: 0h57m19.777s, -62°14'44.28" (epoch 2000.0)
Distance from Sol: 63.1 light-years (19.4 parsecs)
Standard error in distance: 2.0292%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 28.5, 7.28, -55.9
Galactic (X,Y,Z) coordinates in ly: 18.7, -30.8, -51.8
Proper motion: 1.035 arcsec/yr (82.9° from north)
Radial Velocity: 11 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -80.4, -50.1, -12.7

What do all these fields mean?


Spectral class: K7
Luminosity Class: V
Apparent visual magnitude: +9.50
Absolute visual magnitude: +8.06
Visual luminosity: 0.052 x Sol
Color indices: B-V= +1.30
Diameter: 0.68 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.23 A.U.s
Angular size of star in sky in CZ: 1.591156 degrees

light-years
but not more than light-years away
Data for this star system were most recently updated on 4-April-2001.