Cordoba Durchmusterung -23°17699

light-years

Catalog numbers:
     Gliese (Gl) 884, Henry Draper (HD) 217357, Cordoba Durchmusterung (CD) -23°17699, Luyten Half-Second (LHS) 3885, Hipparcos Input Catalog (HIC) 113576, Smithsonian Astrophysical Observatory (SAO) 191563, Vyssotsky McCormick (McC) 339
Arity: singular
Right Ascension and Declination: 23h0m16.114s, -22°31'27.58" (epoch 2000.0)
Distance from Sol: 26.56 light-years (8.143 parsecs)
Standard error in distance: 0.7597%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 23.71, -6.322, -10.17
Galactic (X,Y,Z) coordinates in ly: 8.844, 6.952, -24.06
Proper motion: 0.911 arcsec/yr (274.1° from north)
Radial Velocity: 15.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 34.35, 17.14, 0.587

What do all these fields mean?


Spectral class: K7
Luminosity Class: V
Apparent visual magnitude: +7.88
Absolute visual magnitude: +8.32
Visual luminosity: 0.0408 x Sol
Color indices: B-V= +1.39, U-B= +1.24, R-I= +0.60
Diameter: 0.744 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.202 A.U.s
Angular size of star in sky in CZ: 1.962348 degrees

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