What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: +7.91
Combined visual luminosity: 0.059 x Sol
Observed Separation: 1172 A.U.s
As seen from A:
B would appear as magnitude -2.25
As seen from B:
A would appear as magnitude -8.31
Component A:
Catalog numbers:
Luyten Half-Second (LHS) 3502
Spectral class: K4
Luminosity Class: V
Apparent visual magnitude: +9.30
Absolute visual magnitude: +7.92
Visual luminosity: 0.059 x Sol
Color indices: B-V= +1.33, U-B= +1.21, R-I= +0.56
Diameter: 0.68 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.24 A.U.s
Angular size of star in sky in CZ: 1.489281 degrees
Component B:
Catalog numbers:
Luyten Half-Second (LHS) 3503, Luyten Palomar (LP) 754-5
Right Ascension and Declination: 19h54m37s, -12°41'30" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: 28.8, -52.8, -13.5
Galactic (X,Y,Z) coordinates in ly: 50.7, 27.9, -21.3
Proper motion: 0.52 arcsec/yr (188.1° 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: 8.74, -46.1, -8.91
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +15.36
Absolute visual magnitude: +13.98
Visual luminosity: 0.00022 x Sol
Color indices: R-I= +1.54
Comfort Zone (visual): 0.015 A.U.s