Bonner Durchmusterung +4°123

light-years

Catalog numbers:
     Gliese (Gl) 33, Henry Draper (HD) 4628, Bonner Durchmusterung (BD) +4°123, Luyten Half-Second (LHS) 121, Hipparcos Input Catalog (HIC) 3765, Smithsonian Astrophysical Observatory (SAO) 109471, Fifth Fundamental Catalogue (FK5) 1019, Hoffleit Bright Star (HR) 222
Heavy element abundance: 51% of Sol
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 0h48m22.98s, +5°16'49.9" (epoch 2000.0)
Distance from Sol: 24.33 light-years (7.460 parsecs)
Standard error in distance: 0.6375%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 23.69, 5.077, 2.239
Galactic (X,Y,Z) coordinates in ly: -7.106, 11.05, -20.48
Proper motion: 1.367 arcsec/yr (146.4° from north)
Radial Velocity: -10 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -1.067, -47.50, -13.39

What do all these fields mean?


Spectral class: K2
Luminosity Class: V
Apparent visual magnitude: +5.74
Absolute visual magnitude: +6.38
Visual luminosity: 0.245 x Sol
Color indices: B-V= +0.88
Diameter: 0.882 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.495 A.U.s
Angular size of star in sky in CZ: 0.950453 degrees

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