Bonner Durchmusterung -5°5715

light-years

Catalog numbers:
     Gliese (Gl) 849, Bonner Durchmusterung (BD) -5°5715, Luyten Half-Second (LHS) 517, Hipparcos Input Catalog (HIC) 109388, Vyssotsky McCormick (McC) 73
Arity: singular
Right Ascension and Declination: 22h9m40.254s, -4°38'27.37" (epoch 2000.0)
Distance from Sol: 28.6 light-years (8.77 parsecs)
Standard error in distance: 1.8093%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 25.3, -13.2, -2.32
Galactic (X,Y,Z) coordinates in ly: 10.9, 16.7, -20.5
Proper motion: 1.037 arcsec/yr (91.5° from north)
Radial Velocity: -14.8 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -39.8, -16.9, -14.4

What do all these fields mean?


Spectral class: M3.5
Luminosity Class: V
Apparent visual magnitude: +10.41
Absolute visual magnitude: +10.69
Visual luminosity: 0.0046 x Sol
Color indices: B-V= +1.51, U-B= +1.13, R-I= +1.10
Comfort Zone (visual): 0.068 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.