Bonner Durchmusterung -12°4699

light-years

Catalog numbers:
     Bonner Durchmusterung (BD) -12°4699, Hipparcos Input Catalog (HIC) 84487, Vyssotsky McCormick (McC) 166, Bruce Proper Motion (BPM) 78844
Arity: singular
Right Ascension and Declination: 17h16m19.984s, -12°10'41.05" (epoch 2000.0)
Distance from Sol: 81.2 light-years (24.9 parsecs)
Standard error in distance: 4.4027%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -15.0, -77.9, -17.1
Galactic (X,Y,Z) coordinates in ly: 77.3, 14.9, 19.8
Proper motion: 0.17 arcsec/yr (96.0° from north)
Radial Velocity: 21 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 22.6, 13.5, -12.3

What do all these fields mean?


Spectral class: M0
Luminosity Class: V
Apparent visual magnitude: +10.42
Absolute visual magnitude: +8.44
Visual luminosity: 0.037 x Sol
Color indices: B-V= +1.37, R-I= +0.61
Comfort Zone (visual): 0.19 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.