What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: +5.71
Combined visual luminosity: 0.45 x Sol
Observed Separation: 196 A.U.s
As seen from A:
B would appear as magnitude -13.31
As seen from B:
A would appear as magnitude -13.91
Component A:
Catalog numbers:
Luyten Half-Second (LHS) 180, Luyten Two-Tenth (LTT) 11256
Spectral class: K1
Luminosity Class: V
Apparent visual magnitude: +8.15
Absolute visual magnitude: +6.20
Visual luminosity: 0.29 x Sol
Color indices: B-V= +0.78, U-B= +0.20
Diameter: 0.82 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.54 A.U.s
Angular size of star in sky in CZ: 0.815876 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:
Luyten Half-Second (LHS) 181, Luyten Two-Tenth (LTT) 11257
Right Ascension and Declination: 3h43m37s, +41°17'30" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: 33.6, 49.7, 52.7
Galactic (X,Y,Z) coordinates in ly: -71.1, 33.4, -14.3
Proper motion: 1.4 arcsec/yr (154.6° from north)
Radial Velocity: 51.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -96.4, -116, -79.5
Spectral class: K2
Luminosity Class: V
Apparent visual magnitude: +8.75
Absolute visual magnitude: +6.80
Visual luminosity: 0.17 x Sol
Color indices: B-V= +0.90, U-B= +0.45
Diameter: 0.77 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.41 A.U.s
Angular size of star in sky in CZ: 1.009967 degrees