Bonner Durchmusterung +67°1014

light-years

Catalog numbers:
     Gliese (Gl) 675, Henry Draper (HD) 158633, Bonner Durchmusterung (BD) +67°1014, Luyten Half-Second (LHS) 3287, Hipparcos Input Catalog (HIC) 85235, Smithsonian Astrophysical Observatory (SAO) 17474, Hoffleit Bright Star (HR) 6518
Arity: singular
Right Ascension and Declination: 17h25m0.156s, +67°18'24.42" (epoch 2000.0)
Distance from Sol: 41.74 light-years (12.80 parsecs)
Standard error in distance: 0.6484%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -2.450, -15.92, 38.51
Galactic (X,Y,Z) coordinates in ly: -4.565, 34.63, 22.85
Proper motion: 0.534 arcsec/yr (271.7° from north)
Radial Velocity: -38.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 1.087, -49.82, 5.766

What do all these fields mean?


NOTE: This star is actually a close-orbiting binary pair. The data below are for both sub-components of the pair combined.
Spectral class: K0
Luminosity Class: V
Apparent visual magnitude: +6.44
Absolute visual magnitude: +5.90
Visual luminosity: 0.380 x Sol
Color indices: B-V= +0.76, U-B= +0.29
Diameter: 0.86 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.616 A.U.s
Angular size of star in sky in CZ: 0.743703 degrees

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