Bonner Durchmusterung -6°4663

light-years

Catalog numbers:
     Gliese (Gl) 696, Henry Draper (HD) 162283, Bonner Durchmusterung (BD) -6°4663, Hipparcos Input Catalog (HIC) 87322, Vyssotsky McCormick (McC) 174, New Suspected Variable (NSV) 9755
Arity: possible spectroscopic binary
Right Ascension and Declination: 17h50m34.037s, -6°3'1.33" (epoch 2000.0)
Distance from Sol: 71.4 light-years (21.9 parsecs)
Standard error in distance: 4.3159%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -2.92, -71.0, -7.53
Galactic (X,Y,Z) coordinates in ly: 65.8, 24.9, 12.4
Proper motion: 0.153 arcsec/yr (190.0° from north)
Radial Velocity: -26.2 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -18.0, -22.8, -9.72

What do all these fields mean?


Spectral class: M1.5
Luminosity Class: V
Apparent visual magnitude: +10.17
Absolute visual magnitude: +8.47
Visual luminosity: 0.036 x Sol
Color indices: B-V= +1.43, U-B= +1.26, R-I= +0.69
Diameter: 0.57 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.19 A.U.s
Angular size of star in sky in CZ: 1.606051 degrees

light-years
but not more than light-years away
Data for this star system were most recently updated on 4-April-2001.