Bonner Durchmusterung -10°3216

light-years

Catalog numbers:
     Gliese (Gl) 415, Henry Draper (HD) 97214, Bonner Durchmusterung (BD) -10°3216, Luyten Half-Second (LHS) 298, Hipparcos Input Catalog (HIC) 54651, Vyssotsky McCormick (McC) 601
Arity: singular
Right Ascension and Declination: 11h11m10.767s, -10°57'3.32" (epoch 2000.0)
Distance from Sol: 68.2 light-years (20.9 parsecs)
Standard error in distance: 2.5657%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -65.4, 14.1, -12.9
Galactic (X,Y,Z) coordinates in ly: -1.69, -48.2, 48.1
Proper motion: 1.067 arcsec/yr (302.4° from north)
Radial Velocity: 40 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -107, -23.1, 29.7

What do all these fields mean?


Spectral class: K4
Luminosity Class: V
Apparent visual magnitude: +9.22
Absolute visual magnitude: +7.62
Visual luminosity: 0.078 x Sol
Color indices: B-V= +1.10, U-B= +0.92, R-I= +0.48
Diameter: 0.71 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.28 A.U.s
Angular size of star in sky in CZ: 1.358266 degrees

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