CC Eridani

light-years
Proper names: CC Eridani
Catalog numbers:
     Gliese (Gl) 103, Henry Draper (HD) 16157, Cordoba Durchmusterung (CD) -44°775 , Hipparcos Input Catalog (HIC) 11964, Smithsonian Astrophysical Observatory (SAO) 215947, UGPMF 39
Arity: singular
Right Ascension and Declination: 2h34m22.585s, -43°47'46.9" (epoch 2000.0)
Distance from Sol: 37.55 light-years (11.51 parsecs)
Standard error in distance: 0.9803%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 21.18, 16.91, -25.99
Galactic (X,Y,Z) coordinates in ly: -3.613, -16.52, -33.52
Proper motion: 0.297 arcsec/yr (168.5° from north)
Radial Velocity: 41.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 6.004, -30.25, -32.67

What do all these fields mean?


NOTE: This star is actually a close-orbiting binary pair. The data below are for both sub-components of the pair combined.
Spectral class: K7e
Luminosity Class: V
Apparent visual magnitude: +9.05 (increasing to +8.65)
Absolute visual magnitude: +8.74 (increasing to +8.34)
Visual luminosity: 0.0277 x Sol (increasing to 0.0400 x Sol)
Variable type: BY Draconis (rotating variable)
Color indices: B-V= +1.39
Diameter: 0.67 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.166 A.U.s
Angular size of star in sky in CZ: 2.146843 degrees

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