Omega Draconis

light-years
Proper names: Omega Draconis, 28 Draconis
Catalog numbers:
     Henry Draper (HD) 160922, Bonner Durchmusterung (BD) +68°949, Hipparcos Input Catalog (HIC) 86201, Smithsonian Astrophysical Observatory (SAO) 17576, Fifth Fundamental Catalogue (FK5) 664, Hoffleit Bright Star (HR) 6596, Luyten Two-Tenth (LTT) 15238
Heavy element abundance: 251% of Sol
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 17h36m57.082s, +68°45'28.72" (epoch 2000.0)
Distance from Sol: 76.5 light-years (23.5 parsecs)
Standard error in distance: 1.2283%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -2.78, -27.6, 71.3
Galactic (X,Y,Z) coordinates in ly: -10.2, 64.2, 40.4
Proper motion: 0.323 arcsec/yr (359.9° from north)
Radial Velocity: -14.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -33.7, -15.8, -10.8

What do all these fields mean?


NOTE: This star is actually a close-orbiting binary pair. The data below are for both sub-components of the pair combined.
Spectral class: F5
Luminosity Class: V
Apparent visual magnitude: +4.79
Absolute visual magnitude: +2.94
Visual luminosity: 5.79 x Sol
Color indices: B-V= +0.43, U-B= -0.01
Diameter: 3.03 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 2.41 A.U.s
Angular size of star in sky in CZ: 0.670325 degrees

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