Cordoba Durchmusterung -30°8807

light-years

Catalog numbers:
     Woolley (Wo) 9340, Henry Draper (HD) 94518, Cordoba Durchmusterung (CD) -30°8807, Hipparcos Input Catalog (HIC) 53311, Smithsonian Astrophysical Observatory (SAO) 201876, Luyten Two-Tenth (LTT) 4001
Arity: singular
Right Ascension and Declination: 10h54m12.2s, -31°9'34.52" (epoch 2000.0)
Distance from Sol: 256 light-years (78.6 parsecs)
Standard error in distance: 7.2886%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -210, 62.1, -133
Galactic (X,Y,Z) coordinates in ly: 24.1, -230, 110
Proper motion: 0.351 arcsec/yr (198.9° from north)
Radial Velocity: 92.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 35.3, -136, -77.1

What do all these fields mean?


Spectral class: G2
Luminosity Class: V
Apparent visual magnitude: +8.35
Absolute visual magnitude: +3.87
Visual luminosity: 2.47 x Sol
Color indices: B-V= +0.60, U-B= +0.02, R-I= +0.22
Diameter: 0.81 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.57 A.U.s
Angular size of star in sky in CZ: 0.274777 degrees

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