What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: +5.49
Combined visual luminosity: 0.556 x Sol
Period: 88.13 years
Semimajor Axis: 23.12 A.U.s
Eccentricity: 0.5
Periastron distance: 11.56 A.U.s
Apastron distance: 34.67 A.U.s
Year in which periastron occurs: 1984.05
Source for orbit data: W.D. Heintz
As seen from A:
At periastron, B would appear as magnitude -18.79
At apastron, B would appear as magnitude -16.40
As seen from B:
At periastron, A would appear as magnitude -20.58
At apastron, A would appear as magnitude -18.19
Component A:
Catalog numbers:
Luyten Half-Second (LHS) 458
Spectral class: K0e
Luminosity Class: V
Apparent visual magnitude: +4.21
Absolute visual magnitude: +5.68
Visual luminosity: 0.466 x Sol
Color indices: R-I= +0.26
Mass: 0.82 x Sol
Source for mass: Burnham's Celestial Handbook
Diameter: 0.891 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.683 A.U.s
Orbital period in CZ: 227.629 days
Tidal index in CZ: 2.57469
Angular size of star in sky in CZ: 0.695535 degrees
Component B:
Catalog numbers:
Luyten Half-Second (LHS) 459
Proper motion: 1.135 arcsec/yr (167.1° from north)
Radial Velocity: -10 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 4.871, -21.30, -19.27
Spectral class: K5e
Luminosity Class: V
Apparent visual magnitude: +6.00
Absolute visual magnitude: +7.47
Visual luminosity: 0.0897 x Sol
Color indices: B-V= +1.15, R-I= +0.45
Mass: 0.6 x Sol
Source for mass: Burnham's Celestial Handbook
Diameter: 0.73 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.299 A.U.s
Orbital period in CZ: 77.2739 days
Tidal index in CZ: 22.3417
Angular size of star in sky in CZ: 1.299557 degrees