Bonner Durchmusterung +12°1944

light-years

Catalog numbers:
     Gliese (Gl) 330, Bonner Durchmusterung (BD) +12°1944, Hipparcos Input Catalog (HIC) 43948, Vyssotsky McCormick (McC) 260
Arity: singular
Right Ascension and Declination: 8h57m4.683s, +11°38'48.93" (epoch 2000.0)
Distance from Sol: 53.5 light-years (16.4 parsecs)
Standard error in distance: 5.3538%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -36.6, 37.5, 10.8
Galactic (X,Y,Z) coordinates in ly: -35.5, -26.9, 29.6
Proper motion: 0.335 arcsec/yr (186.0° from north)
Radial Velocity: -12.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 15.5, -16.2, -18.0

What do all these fields mean?


Spectral class: M5
Luminosity Class: V
Apparent visual magnitude: +10.60
Absolute visual magnitude: +9.53
Visual luminosity: 0.013 x Sol
Color indices: B-V= +1.53, U-B= +1.21, R-I= +0.84
Comfort Zone (visual): 0.12 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.