Cordoba Durchmusterung -50°1492

light-years

Catalog numbers:
     Gliese (Gl) 176.3, Henry Draper (HD) 30501, Cordoba Durchmusterung (CD) -50°1492, Luyten Half-Second (LHS) 1701, Hipparcos Input Catalog (HIC) 22122, Smithsonian Astrophysical Observatory (SAO) 233668, Woolley (Wo) 9167
Arity: singular
Right Ascension and Declination: 4h45m38.64s, -50°4'27.42" (epoch 2000.0)
Distance from Sol: 66.7 light-years (20.4 parsecs)
Standard error in distance: 1.2919%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 13.6, 40.6, -51.2
Galactic (X,Y,Z) coordinates in ly: -11.6, -49.6, -43.0
Proper motion: 0.552 arcsec/yr (232.5° from north)
Radial Velocity: 17 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 37.5, 4.45, -41.6

What do all these fields mean?


Spectral class: K0
Luminosity Class: V
Apparent visual magnitude: +7.58
Absolute visual magnitude: +6.03
Visual luminosity: 0.34 x Sol
Color indices: B-V= +0.89, U-B= +0.57, R-I= +0.29
Diameter: 0.86 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.58 A.U.s
Angular size of star in sky in CZ: 0.789289 degrees

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