What do all these fields mean?
Data for A and (B-C)'s orbit around one other:
Combined absolute visual magnitude: +2.31
Combined visual luminosity: 10.4 x Sol
Period: 817.91 years
Semimajor Axis: 133 A.U.s
Eccentricity: 0.79
Periastron distance: 27.9 A.U.s
Apastron distance: 238 A.U.s
Year in which periastron occurs: 1993.9
Source for orbit data: J. Hopmann
As seen from A:
At periastron, (B-C) would appear as magnitude -15.02
At apastron, (B-C) would appear as magnitude -10.37
As seen from (B-C):
At periastron, A would appear as magnitude -22.03
At apastron, A would appear as magnitude -17.37
Data for B and C's orbit around one other:
Combined spectrum: M1 V
Combined absolute visual magnitude: +9.32
Combined visual luminosity: 0.016 x Sol
Period: 39.69 years
Semimajor Axis: 9.95 A.U.s
Eccentricity: 0.32
Periastron distance: 6.77 A.U.s
Apastron distance: 13.1 A.U.s
Year in which periastron occurs: 1918.58
Source for orbit data: O.J. Eggen
As seen from B:
At periastron, C would appear as magnitude -17.25
At apastron, C would appear as magnitude -15.81
As seen from C:
At periastron, B would appear as magnitude -17.45
At apastron, B would appear as magnitude -16.01
Component A:
Catalog numbers:
Luyten Half-Second (LHS) 2084
Spectral class: A7
Luminosity Class: V
Apparent visual magnitude: +3.14
Absolute visual magnitude: +2.31
Visual luminosity: 10.4 x Sol
Color indices: B-V= +0.19, U-B= +0.08
Diameter: 1.67 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 3.22 A.U.s
Angular size of star in sky in CZ: 0.276315 degrees
Component B:
Catalog numbers:
Luyten Half-Second (LHS) 2083
Proper motion: 0.5 arcsec/yr (242.4° from north)
Radial Velocity: 15 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -33.1, -13.4, -12.3
Apparent visual magnitude: +10.80
Absolute visual magnitude: +9.97
Visual luminosity: 0.0089 x Sol
Diameter: 0.46 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.094 A.U.s
Angular size of star in sky in CZ: 2.595215 degrees
Component C:
Apparent visual magnitude: +11.00
Absolute visual magnitude: +10.17
Visual luminosity: 0.0074 x Sol
Diameter: 0.43 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.086 A.U.s
Angular size of star in sky in CZ: 2.660027 degrees