Zeta Doradus

light-years
Proper names: Zeta Doradus
Catalog numbers:
     Gliese (Gl) 189, Henry Draper (HD) 33262, Cape Photographic Durchmusterung (CPD) -57°735, Hipparcos Input Catalog (HIC) 23693, Smithsonian Astrophysical Observatory (SAO) 233822, Fifth Fundamental Catalogue (FK5) 189, Hoffleit Bright Star (HR) 1674
Heavy element abundance: 59% of Sol
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 5h5m30.65s, -57°28'21.92" (epoch 2000.0)
Distance from Sol: 38.00 light-years (11.65 parsecs)
Standard error in distance: 0.5331%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 4.812, 19.86, -32.04
Galactic (X,Y,Z) coordinates in ly: -2.162, -30.43, -22.66
Proper motion: 0.121 arcsec/yr (344.0° from north)
Radial Velocity: -2.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -5.955, 3.828, -0.549

What do all these fields mean?


Spectral class: F7
Luminosity Class: V
Apparent visual magnitude: +4.71
Absolute visual magnitude: +4.38
Visual luminosity: 1.549 x Sol
Color indices: B-V= +0.52, U-B= -0.04, R-I= +0.20
Mass: 1.2 x Sol
Diameter: 1.064 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.244 A.U.s
Orbital period in CZ: 1.26724 years
Tidal index in CZ: 0.622706
Angular size of star in sky in CZ: 0.455971 degrees

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