Bonner Durchmusterung -14°3277

light-years

Catalog numbers:
     Gliese (Gl) 416, Henry Draper (HD) 97233, Bonner Durchmusterung (BD) -14°3277, Luyten Half-Second (LHS) 2370, Hipparcos Input Catalog (HIC) 54677, Smithsonian Astrophysical Observatory (SAO) 156518, Vyssotsky McCormick (McC) 602
Arity: singular
Right Ascension and Declination: 11h11m33.17s, -14°59'28.4" (epoch 2000.0)
Distance from Sol: 74.1 light-years (22.7 parsecs)
Standard error in distance: 4.202%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -70.0, 15.0, -19.2
Galactic (X,Y,Z) coordinates in ly: 0.86, -55.5, 49.1
Proper motion: 0.925 arcsec/yr (129.3° from north)
Radial Velocity: -9.8 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 98.2, -2.65, -19.5

What do all these fields mean?


Spectral class: K4
Luminosity Class: V
Apparent visual magnitude: +9.06
Absolute visual magnitude: +7.27
Visual luminosity: 0.11 x Sol
Color indices: B-V= +1.21, U-B= +1.08, R-I= +0.54
Diameter: 0.71 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.33 A.U.s
Angular size of star in sky in CZ: 1.155986 degrees

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