Vyssotsky McCormick 806

light-years

Catalog numbers:
     Hipparcos Input Catalog (HIC) 92952, Vyssotsky McCormick (McC) 806
Arity: binary
Right Ascension and Declination: 18h56m16s, +54°31'43.4" (epoch 2000.0)
Distance from Sol: 78 light-years (24 parsecs)
Standard error in distance: 10.6383%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 11, -44, 63
Galactic (X,Y,Z) coordinates in ly: 6.8, 72, 28
Proper motion: 0.32 arcsec/yr (178.0° from north)
Source for proper motion: Gliese

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +8.33
Combined visual luminosity: 0.04 x Sol
Observed Separation: 2857 A.U.s
As seen from A:
     B would appear as magnitude -4.14
As seen from B:
     A would appear as magnitude -5.74


Component A:
Catalog numbers:
     Giclas (G) 229-18
Spectral class: M0
Luminosity Class: V
Apparent visual magnitude: +10.44
Absolute visual magnitude: +8.56
Visual luminosity: 0.03 x Sol
Color indices: B-V= +1.38, U-B= +1.33, R-I= +0.62
Comfort Zone (visual): 0.2 A.U.s


Component B:
Catalog numbers:
     Giclas (G) 229-19
Right Ascension and Declination: 18h55m15s, +54°26'6" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: 11, -44, 63
Galactic (X,Y,Z) coordinates in ly: 7.0, 72, 28
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +12.04
Absolute visual magnitude: +10.16
Visual luminosity: 0.008 x Sol
Color indices: B-V= +1.56, R-I= +0.93
Comfort Zone (visual): 0.09 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.