Bonner Durchmusterung -9°3413

light-years

Catalog numbers:
     Gliese (Gl) 454, Henry Draper (HD) 104304, Bonner Durchmusterung (BD) -9°3413, Luyten Half-Second (LHS) 5206, Hipparcos Input Catalog (HIC) 58576, Smithsonian Astrophysical Observatory (SAO) 157041, Hoffleit Bright Star (HR) 4587
Heavy element abundance: 148% of Sol
Standard error in heavy element abundance: 2%
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 12h0m44.426s, -10°26'45.81" (epoch 2000.0)
Distance from Sol: 42.1 light-years (12.9 parsecs)
Standard error in distance: 1.022%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -41.4, -0.13, -7.63
Galactic (X,Y,Z) coordinates in ly: 6.59, -26.0, 32.4
Proper motion: 0.501 arcsec/yr (168.1° from north)
Radial Velocity: 0.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 19.4, -16.5, -17.0

What do all these fields mean?


Spectral class: K0
Luminosity Class: IV
Apparent visual magnitude: +5.55
Absolute visual magnitude: +5.00
Visual luminosity: 0.87 x Sol
Color indices: B-V= +0.77, U-B= +0.44, R-I= +0.25
Diameter: 0.95 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.93 A.U.s
Angular size of star in sky in CZ: 0.542666 degrees

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