What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: +3.67
Combined visual luminosity: 2.95 x Sol
Period: 41.623 years
Semimajor Axis: 16.9 A.U.s
Eccentricity: 0.276
Periastron distance: 12.2 A.U.s
Apastron distance: 21.6 A.U.s
Year in which periastron occurs: 1934.01
Source for orbit data: E. Silbernagel
As seen from A:
At periastron, B would appear as magnitude -21.53
At apastron, B would appear as magnitude -20.29
As seen from B:
At periastron, A would appear as magnitude -21.87
At apastron, A would appear as magnitude -20.63
Component A:
NOTE: This star is actually a close-orbiting binary pair. The data below are for both sub-components of the pair combined.
Catalog numbers:
Hoffleit Bright Star (HR) 5727
Spectral class: G2
Luminosity Class: V
Apparent visual magnitude: +5.62
Absolute visual magnitude: +4.27
Visual luminosity: 1.71 x Sol
Mass: 1 x Sol
Diameter: 1.03 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.31 A.U.s
Orbital period in CZ: 1.49296 years
Tidal index in CZ: 0.448649
Angular size of star in sky in CZ: 0.420362 degrees
Component B:
NOTE: This star is actually a close-orbiting binary pair. The data below are for both sub-components of the pair combined.
Catalog numbers:
Henry Draper (HD) 137108, Hoffleit Bright Star (HR) 5728
Proper motion: 0.238 arcsec/yr (144.1° from north)
Radial Velocity: -10.6 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 15.4, -6.73, -16.4
Spectral class: G2
Luminosity Class: V
Apparent visual magnitude: +5.96
Absolute visual magnitude: +4.61
Visual luminosity: 1.25 x Sol
Mass: 1 x Sol
Diameter: 0.98 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.12 A.U.s
Orbital period in CZ: 1.18043 years
Tidal index in CZ: 0.717656
Angular size of star in sky in CZ: 0.467752 degrees