What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: +3.03
Combined visual luminosity: 5.33 x Sol
Observed Separation: 175 A.U.s
Source for orbit data: Burnham's Celestial Handbook
As seen from A:
B would appear as magnitude -9.64
As seen from B:
A would appear as magnitude -17.32
Component A:
Spectral class: G8
Luminosity Class: IV
Apparent visual magnitude: +3.72
Absolute visual magnitude: +3.03
Visual luminosity: 5.33 x Sol
Color indices: B-V= +0.86, U-B= +0.48, R-I= +0.31
Diameter: 3.09 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 2.31 A.U.s
Angular size of star in sky in CZ: 0.714701 degrees
Component B:
Spectral class: M3
Luminosity Class: V
Apparent visual magnitude: +11.40
Absolute visual magnitude: +10.72
Visual luminosity: 0.0045 x Sol
Diameter: 0.45 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.067 A.U.s
Angular size of star in sky in CZ: 3.573656 degrees