Cordoba Durchmusterung -37°8437

light-years

Catalog numbers:
     Gliese (Gl) 501.2, Henry Draper (HD) 114613, Cordoba Durchmusterung (CD) -37°8437, Hipparcos Input Catalog (HIC) 64408, Smithsonian Astrophysical Observatory (SAO) 204227, FK5 Extension (FK5 Ext) 3051, Hoffleit Bright Star (HR) 4979, Woolley (Wo) 9432
Arity: singular
Right Ascension and Declination: 13h12m3.173s, -37°48'10.98" (epoch 2000.0)
Distance from Sol: 66.8 light-years (20.5 parsecs)
Standard error in distance: 1.5921%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -50.2, -16.3, -40.9
Galactic (X,Y,Z) coordinates in ly: 37.4, -47.9, 27.8
Proper motion: 0.39 arcsec/yr (276.3° from north)
Radial Velocity: -15 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -39.6, -9.50, 0.88

What do all these fields mean?


Spectral class: G3
Luminosity Class: V
Apparent visual magnitude: +4.85
Absolute visual magnitude: +3.29
Visual luminosity: 4.20 x Sol
Color indices: B-V= +0.70, U-B= +0.31, R-I= +0.24
Diameter: 2.09 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 2.05 A.U.s
Angular size of star in sky in CZ: 0.544041 degrees

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