Catalogue Astrographique +61°26806

light-years

Catalog numbers:
     Gliese (Gl) 685, Catalogue Astrographique (AC) +61°26806, Giclas (G) 226-66, Luyten Half-Second (LHS) 3306, Hipparcos Input Catalog (HIC) 86087, Vyssotsky McCormick (McC) 62
Arity: singular
Right Ascension and Declination: 17h35m34.506s, +61°40'53.69" (epoch 2000.0)
Distance from Sol: 46.0 light-years (14.1 parsecs)
Standard error in distance: 1.513%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -2.32, -21.7, 40.5
Galactic (X,Y,Z) coordinates in ly: -0.49, 38.8, 24.7
Proper motion: 0.573 arcsec/yr (153.3° from north)
Radial Velocity: -16.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 34.8, -4.66, -22.3

What do all these fields mean?


Spectral class: M1e
Luminosity Class: V
Apparent visual magnitude: +9.98
Absolute visual magnitude: +9.23
Visual luminosity: 0.018 x Sol
Color indices: B-V= +1.47, U-B= +1.18, R-I= +0.79
Comfort Zone (visual): 0.13 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.