Bonner Durchmusterung +13°3677

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1229, Henry Draper (HD) 171067, Bonner Durchmusterung (BD) +13°3677, Hipparcos Input Catalog (HIC) 90864, Smithsonian Astrophysical Observatory (SAO) 103819
Arity: singular
Right Ascension and Declination: 18h32m10.472s, +13°44'11.21" (epoch 2000.0)
Distance from Sol: 82.1 light-years (25.2 parsecs)
Standard error in distance: 2.2151%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 11.2, -79.0, 19.5
Galactic (X,Y,Z) coordinates in ly: 58.7, 55.6, 14.2
Proper motion: 0.164 arcsec/yr (45.1° from north)
Radial Velocity: -45.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -44.3, -16.5, -14.1

What do all these fields mean?


Spectral class: G8
Luminosity Class: V
Apparent visual magnitude: +7.19
Absolute visual magnitude: +5.19
Visual luminosity: 0.73 x Sol
Color indices: B-V= +0.68, U-B= +0.24
Comfort Zone (visual): 0.86 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.