What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: +12.90
Combined visual luminosity: 0.00060 x Sol
Observed Separation: 0.73 A.U.s
As seen from A:
B would appear as magnitude -18.34
As seen from B:
A would appear as magnitude -18.81
Component A:
Spectral class: M4
Luminosity Class: V
Apparent visual magnitude: +12.03
Absolute visual magnitude: +13.44
Visual luminosity: 0.00036 x Sol
Comfort Zone (visual): 0.019 A.U.s
Component B:
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +12.50
Absolute visual magnitude: +13.91
Visual luminosity: 0.00024 x Sol
Comfort Zone (visual): 0.015 A.U.s