Bonner Durchmusterung +1°3071

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1192, Henry Draper (HD) 136834, Bonner Durchmusterung (BD) +1°3071, Luyten Half-Second (LHS) 3067, Hipparcos Input Catalog (HIC) 75266, Smithsonian Astrophysical Observatory (SAO) 120966, UGPMF 373, AGK3 Reference (AGK3R) 13728, Woolley (Wo) 9521
Arity: singular
Right Ascension and Declination: 15h22m42.563s, +1°25'6.76" (epoch 2000.0)
Distance from Sol: 82.9 light-years (25.4 parsecs)
Standard error in distance: 3.3644%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -52.5, -64.1, 2.05
Galactic (X,Y,Z) coordinates in ly: 58.5, 4.53, 58.6
Proper motion: 0.519 arcsec/yr (224.6° from north)
Radial Velocity: -26.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -18.1, -63.8, -13.9

What do all these fields mean?


Spectral class: K3
Luminosity Class: V
Apparent visual magnitude: +8.28
Absolute visual magnitude: +6.26
Visual luminosity: 0.27 x Sol
Color indices: B-V= +1.00, U-B= +0.86, R-I= +0.32
Diameter: 0.82 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.52 A.U.s
Angular size of star in sky in CZ: 0.835199 degrees

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