Bonner Durchmusterung +67°876

light-years

Catalog numbers:
     Gliese (Gl) 580.2, Henry Draper (HD) 136064, Bonner Durchmusterung (BD) +67°876, Hipparcos Input Catalog (HIC) 74605, Smithsonian Astrophysical Observatory (SAO) 16660, Fifth Fundamental Catalogue (FK5) 565, Hoffleit Bright Star (HR) 5691, Woolley (Wo) 9517
Age: 4500 million years
Source for age: B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275
Heavy element abundance: 110% 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: 15h14m38.326s, +67°20'48.28" (epoch 2000.0)
Distance from Sol: 82.6 light-years (25.3 parsecs)
Standard error in distance: 1.1756%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -21.0, -23.9, 76.2
Galactic (X,Y,Z) coordinates in ly: -14.6, 57.1, 57.8
Proper motion: 0.448 arcsec/yr (151.8° from north)
Radial Velocity: -48.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 61.3, -29.4, -24.2

What do all these fields mean?


Spectral class: F8
Luminosity Class: V
Apparent visual magnitude: +5.14
Absolute visual magnitude: +3.12
Visual luminosity: 4.92 x Sol
Color indices: B-V= +0.53, U-B= +0.08
Diameter: 1.90 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 2.22 A.U.s
Angular size of star in sky in CZ: 0.457724 degrees

light-years
but not more than light-years away
Data for this star system were most recently updated on 12-May-2001.