Bonner Durchmusterung -21°3781

light-years

Catalog numbers:
     Gliese (Gl) 529, Henry Draper (HD) 120467, Bonner Durchmusterung (BD) -21°3781, Luyten Half-Second (LHS) 363, Hipparcos Input Catalog (HIC) 67487, Smithsonian Astrophysical Observatory (SAO) 181997, UGPMF 337
Arity: singular
Right Ascension and Declination: 13h49m44.79s, -22°6'40.07" (epoch 2000.0)
Distance from Sol: 46.3 light-years (14.2 parsecs)
Standard error in distance: 1.4126%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -38.0, -19.8, -17.4
Galactic (X,Y,Z) coordinates in ly: 28.2, -22.8, 28.7
Proper motion: 1.826 arcsec/yr (254.0° from north)
Radial Velocity: -36.8 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -101, -76.3, -20.7

What do all these fields mean?


Spectral class: K6
Luminosity Class: V
Apparent visual magnitude: +8.16
Absolute visual magnitude: +7.40
Visual luminosity: 0.095 x Sol
Color indices: B-V= +1.26, U-B= +1.25, R-I= +0.49
Diameter: 1.13 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.31 A.U.s
Angular size of star in sky in CZ: 1.948856 degrees

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