Bonner Durchmusterung +63°229

light-years

Catalog numbers:
     Gliese (Gl) 69, Henry Draper (HD) 10436, Bonner Durchmusterung (BD) +63°229 , Giclas (G) 244-33, Luyten Half-Second (LHS) 1291 , Hipparcos Input Catalog (HIC) 8070, Smithsonian Astrophysical Observatory (SAO) 11943, Vyssotsky McCormick (McC) 381
Arity: singular
Right Ascension and Declination: 1h43m40.71s, +63°49'24.8" (epoch 2000.0)
Distance from Sol: 43.8 light-years (13.4 parsecs)
Standard error in distance: 1.469%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 17.4, 8.45, 39.3
Galactic (X,Y,Z) coordinates in ly: -27.5, 34.0, 1.42
Proper motion: 0.696 arcsec/yr (214.6° from north)
Radial Velocity: -50.7 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 44.2, -27.7, -42.6

What do all these fields mean?


Spectral class: K5
Luminosity Class: V
Apparent visual magnitude: +8.42
Absolute visual magnitude: +7.78
Visual luminosity: 0.068 x Sol
Color indices: B-V= +1.22
Diameter: 0.71 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.26 A.U.s
Angular size of star in sky in CZ: 1.456698 degrees

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