Cordoba Durchmusterung -37°11734

light-years

Catalog numbers:
     Gliese (Gl) 683.2, Henry Draper (HD) 159704, Cordoba Durchmusterung (CD) -37°11734, Hipparcos Input Catalog (HIC) 86286, Smithsonian Astrophysical Observatory (SAO) 209047, Innes (I) 247
Arity: binary
Right Ascension and Declination: 17h37m51.206s, -37°51'39.82" (epoch 2000.0)
Distance from Sol: 60 light-years (19 parsecs)
Standard error in distance: 15.625%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -4.6, -47, -37
Galactic (X,Y,Z) coordinates in ly: 60, -8.5, -4.1
Proper motion: 0.115 arcsec/yr (185.3° from north)
Radial Velocity: 2.8 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 1.2, -9.3, -4.7

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +5.34
Combined visual luminosity: 0.6 x Sol
Observed Separation: 26 A.U.s
Year of separation observation: 1969
As seen from A:
     B would appear as magnitude -16.74
As seen from B:
     A would appear as magnitude -19.04


Component A:
Spectral class: G8
Luminosity Class: V
Apparent visual magnitude: +6.80
Absolute visual magnitude: +5.46
Visual luminosity: 0.6 x Sol
Comfort Zone (visual): 0.8 A.U.s


Component B:
Spectral class: K
Luminosity Class: V
Apparent visual magnitude: +9.10
Absolute visual magnitude: +7.76
Visual luminosity: 0.07 x Sol
Comfort Zone (visual): 0.3 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.