Bonner Durchmusterung -7°5839

light-years

Catalog numbers:
     Henry Draper (HD) 215152, Bonner Durchmusterung (BD) -7°5839, Hipparcos Input Catalog (HIC) 112190, Smithsonian Astrophysical Observatory (SAO) 146275, Luyten Two-Tenth (LTT) 9164
Arity: singular
Right Ascension and Declination: 22h43m21.338s, -6°24'3.33" (epoch 2000.0)
Distance from Sol: 70.2 light-years (21.5 parsecs)
Standard error in distance: 2.7423%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 65.9, -22.9, -7.83
Galactic (X,Y,Z) coordinates in ly: 19.3, 37.0, -56.5
Proper motion: 0.326 arcsec/yr (205.7° from north)
Radial Velocity: -18 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 20.9, -29.9, 9.98

What do all these fields mean?


Spectral class: K0
Luminosity Class: V-VI
Apparent visual magnitude: +8.11
Absolute visual magnitude: +6.44
Visual luminosity: 0.23 x Sol
Color indices: B-V= +0.97, U-B= +0.79
Comfort Zone (visual): 0.48 A.U.s

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