Bonner Durchmusterung -0°4195

light-years

Catalog numbers:
     Gliese (Gl) 825.3, Henry Draper (HD) 202751, Bonner Durchmusterung (BD) -0°4195, Luyten Half-Second (LHS) 5368, Hipparcos Input Catalog (HIC) 105152, Smithsonian Astrophysical Observatory (SAO) 145275, Vyssotsky McCormick (McC) 834, AGK3 Reference (AGK3R) 19048, Woolley (Wo) 9731
Arity: singular
Right Ascension and Declination: 21h18m2.94s, +0°9'42.3" (epoch 2000.0)
Distance from Sol: 62.7 light-years (19.2 parsecs)
Standard error in distance: 2.3094%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 47.7, -40.7, 0.18
Galactic (X,Y,Z) coordinates in ly: 32.2, 42.0, -33.6
Proper motion: 0.496 arcsec/yr (111.4° from north)
Radial Velocity: -26.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -35.6, -31.2, -22.9

What do all these fields mean?


Spectral class: K6
Luminosity Class: V
Apparent visual magnitude: +8.23
Absolute visual magnitude: +6.81
Visual luminosity: 0.16 x Sol
Color indices: B-V= +0.98, U-B= +0.83, R-I= +0.40
Diameter: 0.8 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.41 A.U.s
Angular size of star in sky in CZ: 1.052400 degrees

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