Bonner Durchmusterung +76°351

light-years

Catalog numbers:
     Gliese (Gl) 342, Henry Draper (HD) 80768, Bonner Durchmusterung (BD) +76°351, Giclas (G) 252-34, Hipparcos Input Catalog (HIC) 46343, Smithsonian Astrophysical Observatory (SAO) 6853, Vyssotsky McCormick (McC) 543
Arity: singular
Right Ascension and Declination: 9h26m53.059s, +75°56'3.7" (epoch 2000.0)
Distance from Sol: 65.4 light-years (20.1 parsecs)
Standard error in distance: 2.044%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -12.5, 9.85, 63.5
Galactic (X,Y,Z) coordinates in ly: -38.5, 36.7, 38.2
Proper motion: 0.36 arcsec/yr (254.9° from north)
Radial Velocity: -5.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -23.7, -12.3, -22.2

What do all these fields mean?


Spectral class: K5e
Luminosity Class: V
Apparent visual magnitude: +9.04
Absolute visual magnitude: +7.53
Visual luminosity: 0.084 x Sol
Color indices: B-V= +1.19, U-B= +1.18, R-I= +0.46
Diameter: 0.7 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.29 A.U.s
Angular size of star in sky in CZ: 1.283866 degrees

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