What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: +3.10
Combined visual luminosity: 4.99 x Sol
Observed Separation: 1366 A.U.s
As seen from A:
B would appear as magnitude -9.98
As seen from B:
A would appear as magnitude -12.71
Component A:
Catalog numbers:
Henry Draper (HD) 7439, Bonner Durchmusterung (BD) -8°216
Spectral class: F5
Luminosity Class: V
Apparent visual magnitude: +5.13
Absolute visual magnitude: +3.19
Visual luminosity: 4.62 x Sol
Color indices: B-V= +0.45, U-B= -0.06, R-I= +0.16
Diameter: 1.15 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 2.15 A.U.s
Angular size of star in sky in CZ: 0.286127 degrees
Component B:
Catalog numbers:
Henry Draper (HD) 7438, Bonner Durchmusterung (BD) -8°215, Giclas (G) 270-176
Right Ascension and Declination: 1h11m51s, -8°10'41" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: 74.9, 24.3, -11.3
Galactic (X,Y,Z) coordinates in ly: -20.7, 17.5, -74.8
Proper motion: 0.312 arcsec/yr (25.0° from north)
Radial Velocity: 22.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -35.3, 21.6, -8.64
Spectral class: K1
Luminosity Class: V
Apparent visual magnitude: +7.85
Absolute visual magnitude: +5.91
Visual luminosity: 0.38 x Sol
Color indices: B-V= +0.78, U-B= +0.35, R-I= +0.27
Diameter: 0.81 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.61 A.U.s
Angular size of star in sky in CZ: 0.705023 degrees