What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: +5.77
Combined visual luminosity: 0.427 x Sol
Period: 21.43 years
Semimajor Axis: 1.405 A.U.s
Eccentricity: 0.61
Periastron distance: 0.548 A.U.s
Apastron distance: 2.262 A.U.s
Year in which periastron occurs: 1954.34
Source for orbit data: S.L. Lippincott
As seen from A:
At periastron, B would appear as magnitude -21.27
At apastron, B would appear as magnitude -18.19
As seen from B:
At periastron, A would appear as magnitude -27.10
At apastron, A would appear as magnitude -24.02
Component A:
NOTE: This star is actually a close-orbiting binary pair. The data below are for both sub-components of the pair combined.
Spectral class: G5p
Luminosity Class: VI
Apparent visual magnitude: +5.17
Absolute visual magnitude: +5.78
Visual luminosity: 0.425 x Sol
Color indices: B-V= +0.69, U-B= +0.09, R-I= +0.28
Mass: 0.75 x Sol
Diameter: 0.739 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.652 A.U.s
Orbital period in CZ: 221.929 days
Tidal index in CZ: 2.70864
Angular size of star in sky in CZ: 0.604190 degrees
Component B:
Proper motion: 3.77 arcsec/yr (114.7° from north)
Radial Velocity: 11 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -105.4, -70.19, -48.06
Spectral class: M
Luminosity Class: V-VI
Apparent visual magnitude: +11.00
Absolute visual magnitude: +11.61
Visual luminosity: 0.00198 x Sol
Mass: 0.2 x Sol
Comfort Zone (visual): 0.0445 A.U.s
Orbital period in CZ: 7.65851 days
Tidal index in CZ: 2274.53