Bonner Durchmusterung -11°4672

light-years

Catalog numbers:
     Gliese (Gl) 717, Bonner Durchmusterung (BD) -11°4672, Giclas (G) 155-23, Hipparcos Input Catalog (HIC) 90979, Smithsonian Astrophysical Observatory (SAO) 161603, Vyssotsky McCormick (McC) 181
Arity: singular
Right Ascension and Declination: 18h33m28.749s, -11°38'10.34" (epoch 2000.0)
Distance from Sol: 82.9 light-years (25.4 parsecs)
Standard error in distance: 4.2822%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 11.8, -80.3, -16.7
Galactic (X,Y,Z) coordinates in ly: 77.4, 29.6, -2.81
Proper motion: 0.406 arcsec/yr (232.5° from north)
Radial Velocity: -83.7 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -61.7, -71.0, 23.4

What do all these fields mean?


Spectral class: K7
Luminosity Class: V
Apparent visual magnitude: +10.03
Absolute visual magnitude: +8.00
Visual luminosity: 0.055 x Sol
Color indices: B-V= +1.28, U-B= +1.20, R-I= +0.53
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.