Bonner Durchmusterung -18°3319

light-years

Catalog numbers:
     Gliese (Gl) 455.1, Henry Draper (HD) 105065, Bonner Durchmusterung (BD) -18°3319, Hipparcos Input Catalog (HIC) 59000, Vyssotsky McCormick (McC) 633
Arity: singular
Right Ascension and Declination: 12h5m50.781s, -18°52'30.33" (epoch 2000.0)
Distance from Sol: 73.4 light-years (22.5 parsecs)
Standard error in distance: 3.2883%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -69.5, -1.77, -23.8
Galactic (X,Y,Z) coordinates in ly: 17.7, -51.1, 49.7
Proper motion: 0.297 arcsec/yr (163.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: K5
Luminosity Class: V
Apparent visual magnitude: +9.98
Absolute visual magnitude: +8.22
Visual luminosity: 0.045 x Sol
Color indices: B-V= +1.34, U-B= +1.20, R-I= +0.60
Comfort Zone (visual): 0.21 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.