What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: +11.24
Combined visual luminosity: 0.0028 x Sol
Period: 177.9 years
Semimajor Axis: 24.6 A.U.s
Eccentricity: 0.18
Periastron distance: 20.2 A.U.s
Apastron distance: 29.0 A.U.s
Year in which periastron occurs: 1914
Source for orbit data: J. Hopmann
As seen from A:
At periastron, B would appear as magnitude -11.63
At apastron, B would appear as magnitude -10.83
As seen from B:
At periastron, A would appear as magnitude -13.65
At apastron, A would appear as magnitude -12.85
Component A:
Catalog numbers:
Luyten Half-Second (LHS) 3965
Spectral class: M3.5e
Luminosity Class: V
Apparent visual magnitude: +10.38 (increasing to +9.98)
Absolute visual magnitude: +11.40 (increasing to +11.00)
Visual luminosity: 0.0024 x Sol (increasing to 0.0035 x Sol)
Variable type: UV Ceti flare star (eruptive variable)
Color indices: B-V= +1.54, U-B= +1.08, R-I= +1.13
Comfort Zone (visual): 0.049 A.U.s
Component B:
Catalog numbers:
Luyten Half-Second (LHS) 3966
Proper motion: 0.56 arcsec/yr (91.7° from north)
Radial Velocity: -1.2 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -14.1, -7.58, -4.46
Spectral class: M4.5e
Luminosity Class: V
Apparent visual magnitude: +12.40
Absolute visual magnitude: +13.42
Visual luminosity: 0.00037 x Sol
Color indices: B-V= +1.65, U-B= +1.12, R-I= +1.62
Comfort Zone (visual): 0.019 A.U.s