Bonner Durchmusterung +11°383

light-years

Catalog numbers:
     Gliese (Gl) 112.1, Henry Draper (HD) 17230, Bonner Durchmusterung (BD) +11°383 , Hipparcos Input Catalog (HIC) 12929, Smithsonian Astrophysical Observatory (SAO) 93097, Vyssotsky McCormick (McC) 402, Woolley (Wo) 9100
Arity: singular
Right Ascension and Declination: 2h46m17.295s, +11°46'31.03" (epoch 2000.0)
Distance from Sol: 51.9 light-years (15.9 parsecs)
Standard error in distance: 2.3773%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 38.0, 33.7, 10.6
Galactic (X,Y,Z) coordinates in ly: -37.1, 11.4, -34.5
Proper motion: 0.332 arcsec/yr (126.7° from north)
Radial Velocity: 11.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -15.1, -21.5, -7.88

What do all these fields mean?


Spectral class: K8
Luminosity Class: V
Apparent visual magnitude: +8.59
Absolute visual magnitude: +7.58
Visual luminosity: 0.081 x Sol
Color indices: B-V= +1.28
Diameter: 0.69 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.28 A.U.s
Angular size of star in sky in CZ: 1.295569 degrees

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