Cordoba Durchmusterung -42°10934

light-years

Catalog numbers:
     Gliese (Gl) 604, Henry Draper (HD) 142709, Cordoba Durchmusterung (CD) -42°10934, Hipparcos Input Catalog (HIC) 78170, Smithsonian Astrophysical Observatory (SAO) 226403
Arity: singular
Right Ascension and Declination: 15h57m40.769s, -42°37'27.64" (epoch 2000.0)
Distance from Sol: 47.8 light-years (14.7 parsecs)
Standard error in distance: 1.474%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -17.9, -30.3, -32.4
Galactic (X,Y,Z) coordinates in ly: 43.3, -19.3, 6.34
Proper motion: 0.323 arcsec/yr (233.3° from north)
Radial Velocity: 35.6 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 22.9, -34.7, 6.41

What do all these fields mean?


Spectral class: K5
Luminosity Class: V
Apparent visual magnitude: +8.06
Absolute visual magnitude: +7.23
Visual luminosity: 0.11 x Sol
Color indices: B-V= +1.12, U-B= +1.03, R-I= +0.43
Diameter: 0.77 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.33 A.U.s
Angular size of star in sky in CZ: 1.227407 degrees

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