Cordoba Durchmusterung -43°7228

light-years

Catalog numbers:
     Gliese (Gl) 435, Henry Draper (HD) 101581, Cordoba Durchmusterung (CD) -43°7228, Luyten Half-Second (LHS) 2441, Hipparcos Input Catalog (HIC) 56998, Smithsonian Astrophysical Observatory (SAO) 222956, UGPMF 273
Arity: singular
Right Ascension and Declination: 11h41m2.459s, -44°24'19.23" (epoch 2000.0)
Distance from Sol: 40.8 light-years (12.5 parsecs)
Standard error in distance: 1.1382%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -29.1, 2.41, -28.6
Galactic (X,Y,Z) coordinates in ly: 13.7, -36.7, 11.6
Proper motion: 0.695 arcsec/yr (289.4° from north)
Radial Velocity: 13.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -34.4, -25.6, 6.33

What do all these fields mean?


Spectral class: K5e
Luminosity Class: V
Apparent visual magnitude: +7.77
Absolute visual magnitude: +7.29
Visual luminosity: 0.11 x Sol
Color indices: B-V= +1.06, U-B= +0.90, R-I= +0.42
Diameter: 0.74 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: 1.211362 degrees

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