Bonner Durchmusterung -3°4380

light-years

Catalog numbers:
     Gliese (Gl) 726, Henry Draper (HD) 173818, Bonner Durchmusterung (BD) -3°4380, Hipparcos Input Catalog (HIC) 92200, Smithsonian Astrophysical Observatory (SAO) 142621, Vyssotsky McCormick (McC) 805, New Suspected Variable (NSV) 11342
Arity: singular
Right Ascension and Declination: 18h47m27.308s, -3°38'22.2" (epoch 2000.0)
Distance from Sol: 46.1 light-years (14.1 parsecs)
Standard error in distance: 1.7758%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 9.45, -45.0, -2.92
Galactic (X,Y,Z) coordinates in ly: 40.0, 22.7, -1.07
Proper motion: 0.275 arcsec/yr (206.1° from north)
Radial Velocity: 16 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 23.0, -8.11, -0.78

What do all these fields mean?


Spectral class: K7
Luminosity Class: V
Apparent visual magnitude: +8.81
Absolute visual magnitude: +8.06
Visual luminosity: 0.052 x Sol
Color indices: B-V= +1.29, U-B= +1.21, R-I= +0.54
Comfort Zone (visual): 0.23 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.