Bonner Durchmusterung +30°1423

light-years

Catalog numbers:
     Henry Draper (HD) 53927, Bonner Durchmusterung (BD) +30°1423, Hipparcos Input Catalog (HIC) 34414, Smithsonian Astrophysical Observatory (SAO) 79090, Luyten Two-Tenth (LTT) 11979
Arity: singular
Right Ascension and Declination: 7h8m4.23s, +29°50'3.7" (epoch 2000.0)
Distance from Sol: 72.6 light-years (22.3 parsecs)
Standard error in distance: 3.0852%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -18.4, 60.2, 36.1
Galactic (X,Y,Z) coordinates in ly: -68.8, -9.32, 21.3
Proper motion: 0.343 arcsec/yr (206.6° from north)
Radial Velocity: 21 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -24.6, -27.4, -19.9

What do all these fields mean?


Spectral class: K3
Luminosity Class: V
Apparent visual magnitude: +8.33
Absolute visual magnitude: +6.59
Visual luminosity: 0.20 x Sol
Color indices: B-V= +0.93, U-B= +0.58
Comfort Zone (visual): 0.45 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.