Bonner Durchmusterung +183421

light-years

Catalog numbers:
     Gliese (Gl) 686, Bonner Durchmusterung (BD) +183421, Giclas (G) 170-55, Luyten Half-Second (LHS) 452, Hipparcos Input Catalog (HIC) 86287, Vyssotsky McCormick (McC) 169, Catalogue Astrographique (AC) +181453-48
Arity: singular
Right Ascension and Declination: 17h37m53.352s, +18°35'31.01" (epoch 2000.0)
Distance from Sol: 26.5 light-years (8.13 parsecs)
Standard error in distance: 1.2997%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -2.42, -25.0, 8.45
Galactic (X,Y,Z) coordinates in ly: 17.9, 16.4, 10.7
Proper motion: 1.361 arcsec/yr (43.2° from north)
Radial Velocity: -9.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -34.0, 35.4, -20.8

What do all these fields mean?


Spectral class: M0
Luminosity Class: V
Apparent visual magnitude: +9.62
Absolute visual magnitude: +10.07
Visual luminosity: 0.0082 x Sol
Color indices: B-V= +1.53, U-B= +1.08, R-I= +0.86
Comfort Zone (visual): 0.090 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.