Bonner Durchmusterung +79°169

light-years

Catalog numbers:
     Gliese (Gl) 196, Henry Draper (HD) 33564, Bonner Durchmusterung (BD) +79°169, Hipparcos Input Catalog (HIC) 25110, Smithsonian Astrophysical Observatory (SAO) 5496, Fifth Fundamental Catalogue (FK5) 191, Hoffleit Bright Star (HR) 1686
Arity: singular
Right Ascension and Declination: 5h22m33.474s, +79°13'52.08" (epoch 2000.0)
Distance from Sol: 68.4 light-years (21.0 parsecs)
Standard error in distance: 1.0793%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 2.08, 12.6, 67.2
Galactic (X,Y,Z) coordinates in ly: -43.7, 45.4, 26.8
Proper motion: 0.179 arcsec/yr (333.3° from north)
Radial Velocity: -10.7 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 19.6, 5.28, -4.31

What do all these fields mean?


Spectral class: F6
Luminosity Class: V
Apparent visual magnitude: +5.08
Absolute visual magnitude: +3.47
Visual luminosity: 3.56 x Sol
Color indices: B-V= +0.47, U-B= -0.13
Diameter: 1.09 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.89 A.U.s
Angular size of star in sky in CZ: 0.308024 degrees

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