Bonner Durchmusterung +6°2182

light-years

Catalog numbers:
     Gliese (Gl) 349, Henry Draper (HD) 82106, Bonner Durchmusterung (BD) +6°2182, Luyten Half-Second (LHS) 2147, Hipparcos Input Catalog (HIC) 46580, Smithsonian Astrophysical Observatory (SAO) 117737, AGK3 Reference (AGK3R) 8552
Arity: singular
Right Ascension and Declination: 9h29m54.822s, +5°39'18.41" (epoch 2000.0)
Distance from Sol: 41.4 light-years (12.7 parsecs)
Standard error in distance: 1.2768%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -32.6, 25.1, 4.08
Galactic (X,Y,Z) coordinates in ly: -21.7, -24.3, 25.5
Proper motion: 0.519 arcsec/yr (281.9° from north)
Radial Velocity: 27.6 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -39.6, -12.8, -1.11

What do all these fields mean?


Spectral class: K3e
Luminosity Class: V
Apparent visual magnitude: +7.21
Absolute visual magnitude: +6.69
Visual luminosity: 0.18 x Sol
Color indices: B-V= +1.00, U-B= +0.90, R-I= +0.37
Mass: 0.6 x Sol
Diameter: 0.77 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.43 A.U.s
Orbital period in CZ: 132.318 days
Tidal index in CZ: 7.61973
Angular size of star in sky in CZ: 0.957718 degrees

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