Bonner Durchmusterung -15°2656

light-years

Catalog numbers:
     Henry Draper (HD) 76932, Bonner Durchmusterung (BD) -15°2656, Hipparcos Input Catalog (HIC) 44075, Smithsonian Astrophysical Observatory (SAO) 154804, FK4 Supplement (FK4 Sup) 2713, Hoffleit Bright Star (HR) 3578, Luyten Two-Tenth (LTT) 3317
Age: 12900 million years — which sounds too old for an F6 main sequence star
Source for age: B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275
Heavy element abundance: 9% of Sol
Standard error in heavy element abundance: 4%
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 8h58m43.933s, -16°7'57.99" (epoch 2000.0)
Distance from Sol: 69.5 light-years (21.3 parsecs)
Standard error in distance: 2.0263%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -47.0, 47.5, -19.3
Galactic (X,Y,Z) coordinates in ly: -29.0, -58.9, 22.9
Proper motion: 0.318 arcsec/yr (49.0° from north)
Radial Velocity: 120.8 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -47.4, -92.0, 70.1

What do all these fields mean?


Spectral class: F6
Luminosity Class: V
Apparent visual magnitude: +5.82
Absolute visual magnitude: +4.17
Visual luminosity: 1.87 x Sol
Color indices: B-V= +0.53, U-B= +0.08, R-I= +0.23
Comfort Zone (visual): 1.37 A.U.s

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