Cape Photographic Durchmusterung -43°1184

light-years

Catalog numbers:
     Gliese (Gl) 264, Henry Draper (HD) 53680, Cape Photographic Durchmusterung (CPD) -43°1184, Hipparcos Input Catalog (HIC) 34052, Smithsonian Astrophysical Observatory (SAO) 218418, UGPMF 153
Arity: singular
Right Ascension and Declination: 7h3m50.11s, -43°33'40.3" (epoch 2000.0)
Distance from Sol: 55.4 light-years (17.0 parsecs)
Standard error in distance: 1.5711%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -11.0, 38.6, -38.2
Galactic (X,Y,Z) coordinates in ly: -14.5, -51.2, -15.3
Proper motion: 0.404 arcsec/yr (346.6° from north)
Radial Velocity: 88 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -54.3, -74.1, -19.1

What do all these fields mean?


Spectral class: K5
Luminosity Class: V
Apparent visual magnitude: +8.67
Absolute visual magnitude: +7.52
Visual luminosity: 0.086 x Sol
Color indices: B-V= +1.18, U-B= +1.13, R-I= +0.49
Diameter: 0.74 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.29 A.U.s
Angular size of star in sky in CZ: 1.347463 degrees

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