Bonner Durchmusterung -12°662

light-years

Catalog numbers:
     Gliese (Gl) 143.1, Bonner Durchmusterung (BD) -12°662, Hipparcos Input Catalog (HIC) 16242, Vyssotsky McCormick (McC) 421, New Suspected Variable (NSV) 1166
Arity: singular
Right Ascension and Declination: 3h29m19.69s, -11°40'41.1" (epoch 2000.0)
Distance from Sol: 70.7 light-years (21.7 parsecs)
Standard error in distance: 3.9134%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 42.3, 54.8, -14.3
Galactic (X,Y,Z) coordinates in ly: -43.7, -14.5, -53.6
Proper motion: 0.281 arcsec/yr (165.0° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: M0
Luminosity Class: V
Apparent visual magnitude: +10.00
Absolute visual magnitude: +8.32
Visual luminosity: 0.041 x Sol
Color indices: B-V= +1.42, U-B= +1.30, R-I= +0.66
Comfort Zone (visual): 0.20 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.