What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: +2.92
Combined visual luminosity: 5.93 x Sol
Period: 120.42 years
Semimajor Axis: 34.1 A.U.s
Eccentricity: 0.313
Periastron distance: 23.4 A.U.s
Apastron distance: 44.8 A.U.s
Year in which periastron occurs: 1998.8
Source for orbit data: W.D. Heintz
As seen from A:
At periastron, B would appear as magnitude -20.99
At apastron, B would appear as magnitude -19.58
As seen from B:
At periastron, A would appear as magnitude -21.12
At apastron, A would appear as magnitude -19.71
Component A:
Catalog numbers:
Henry Draper (HD) 177474, Hoffleit Bright Star (HR) 7226
Spectral class: F8
Luminosity Class: V
Apparent visual magnitude: +4.87
Absolute visual magnitude: +3.61
Visual luminosity: 3.14 x Sol
Diameter: 1.1 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.77 A.U.s
Angular size of star in sky in CZ: 0.330775 degrees
Component B:
Catalog numbers:
Henry Draper (HD) 177475, Hoffleit Bright Star (HR) 7227
Proper motion: 0.289 arcsec/yr (160.9° from north)
Radial Velocity: -51.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -53.4, -19.4, 2.32
Spectral class: F8
Luminosity Class: V
Apparent visual magnitude: +5.00
Absolute visual magnitude: +3.74
Visual luminosity: 2.79 x Sol
Diameter: 1.09 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.67 A.U.s
Angular size of star in sky in CZ: 0.347991 degrees