Cape Photographic Durchmusterung -63231


Catalog numbers:
     Gliese (Gl) 143, Henry Draper (HD) 21749, Cape Photographic Durchmusterung (CPD) -63231 , Hipparcos Input Catalog (HIC) 16069, Smithsonian Astrophysical Observatory (SAO) 248808, UGPMF 60
Arity: singular
Right Ascension and Declination: 3h26m59.09s, -63°29'55.8" (epoch 2000.0)
Distance from Sol: 53.4 light-years (16.4 parsecs)
Standard error in distance: 2.2724%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 14.8, 18.7, -47.8
Galactic (X,Y,Z) coordinates in ly: 5.79, -36.7, -38.3
Proper motion: 0.439 arcsec/yr (124.1° from north)
Radial Velocity: 57.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 9.00, -63.7, -17.4

What do all these fields mean?

Spectral class: K5
Luminosity Class: V
Apparent visual magnitude: +8.08
Absolute visual magnitude: +7.01
Visual luminosity: 0.14 x Sol
Color indices: B-V= +1.12
Diameter: 0.75 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.37 A.U.s
Angular size of star in sky in CZ: 1.080756 degrees

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