Bonner Durchmusterung +21°3245

light-years

Catalog numbers:
     Gliese (Gl) 697, Bonner Durchmusterung (BD) +21°3245, Hipparcos Input Catalog (HIC) 87579, Smithsonian Astrophysical Observatory (SAO) 85511, Vyssotsky McCormick (McC) 797, AGK3 Reference (AGK3R) 15953
Arity: singular
Right Ascension and Declination: 17h53m29.926s, +21°19'30.37" (epoch 2000.0)
Distance from Sol: 81.1 light-years (24.9 parsecs)
Standard error in distance: 2.5206%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -2.14, -75.5, 29.5
Galactic (X,Y,Z) coordinates in ly: 51.8, 54.9, 29.7
Proper motion: 0.089 arcsec/yr (299.8° from north)
Radial Velocity: -12.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -11.6, -10.3, 5.11

What do all these fields mean?


Spectral class: K5
Luminosity Class: V
Apparent visual magnitude: +8.50
Absolute visual magnitude: +6.52
Visual luminosity: 0.21 x Sol
Color indices: B-V= +0.95, U-B= +0.70, R-I= +0.36
Comfort Zone (visual): 0.46 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.