Gamma Doradus

light-years
Proper names: Gamma Doradus
Catalog numbers:
     Gliese (Gl) 167.1, Henry Draper (HD) 27290, Cordoba Durchmusterung (CD) -51°1066, Hipparcos Input Catalog (HIC) 19893, Smithsonian Astrophysical Observatory (SAO) 233457, Fifth Fundamental Catalogue (FK5) 157, Hoffleit Bright Star (HR) 1338
Arity: singular
Right Ascension and Declination: 4h16m1.601s, -51°29'11.93" (epoch 2000.0)
Distance from Sol: 66.2 light-years (20.3 parsecs)
Standard error in distance: 1.0048%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 18.1, 37.1, -51.8
Galactic (X,Y,Z) coordinates in ly: -8.51, -46.4, -46.5
Proper motion: 0.212 arcsec/yr (28.2° from north)
Radial Velocity: 25.2 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -23.2, -18.1, -13.6

What do all these fields mean?


Spectral class: F4
Luminosity Class: III
Apparent visual magnitude: +4.25
Absolute visual magnitude: +2.71
Visual luminosity: 7.17 x Sol
Variable type: W Ursae Majoris (eclipsing binary)
Color indices: B-V= +0.30, U-B= +0.02, R-I= +0.18
Diameter: 1.94 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 2.68 A.U.s
Angular size of star in sky in CZ: 0.386627 degrees

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