Cape Photographic Durchmusterung -56°9645

light-years

Catalog numbers:
     Gliese (Gl) 827.1, Henry Draper (HD) 203850, Cape Photographic Durchmusterung (CPD) -56°9645, Luyten Half-Second (LHS) 3675, Hipparcos Input Catalog (HIC) 105905, Smithsonian Astrophysical Observatory (SAO) 247033, UGPMF 524, Woolley (Wo) 9738
Arity: singular
Right Ascension and Declination: 21h26m58.542s, -56°7'31.24" (epoch 2000.0)
Distance from Sol: 75.6 light-years (23.2 parsecs)
Standard error in distance: 2.6417%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 33.1, -26.1, -62.8
Galactic (X,Y,Z) coordinates in ly: 50.9, -18.7, -52.7
Proper motion: 0.693 arcsec/yr (79.0° from north)
Radial Velocity: -40.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -79.7, 20.4, -26.1

What do all these fields mean?


Spectral class: K3
Luminosity Class: V
Apparent visual magnitude: +8.65
Absolute visual magnitude: +6.82
Visual luminosity: 0.16 x Sol
Color indices: B-V= +0.92, U-B= +0.62, R-I= +0.36
Diameter: 0.76 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.40 A.U.s
Angular size of star in sky in CZ: 1.005842 degrees

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