111 Tauri

light-years
Proper names: 111 Tauri
Catalog numbers:
     Gliese (Gl) 202, Henry Draper (HD) 35296, Bonner Durchmusterung (BD) +17°920, Hipparcos Input Catalog (HIC) 25278, Smithsonian Astrophysical Observatory (SAO) 94526, Hoffleit Bright Star (HR) 1780
Age: 3500 million years
Source for age: B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275
Heavy element abundance: 72% of Sol
Source for heavy element abundance: B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275
Arity: singular
Right Ascension and Declination: 5h24m25.43s, +17°23'1.3" (epoch 2000.0)
Distance from Sol: 47.8 light-years (14.7 parsecs)
Standard error in distance: 1.3598%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 7.06, 45.1, 14.3
Galactic (X,Y,Z) coordinates in ly: -46.7, -6.20, -8.04
Proper motion: 0.245 arcsec/yr (92.8° from north)
Radial Velocity: 38.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -38.2, -15.1, 7.24

What do all these fields mean?


Spectral class: F8e
Luminosity Class: V
Apparent visual magnitude: +4.99
Absolute visual magnitude: +4.16
Visual luminosity: 1.89 x Sol
Color indices: B-V= +0.53, U-B= -0.06
Diameter: 1.18 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.38 A.U.s
Angular size of star in sky in CZ: 0.458118 degrees

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