What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: +8.50
Combined visual luminosity: 0.035 x Sol
Period: 48.85 years
Semimajor Axis: 15.2 A.U.s
Eccentricity: 0.225
Periastron distance: 11.8 A.U.s
Apastron distance: 18.6 A.U.s
Year in which periastron occurs: 1968.63
Source for orbit data: W.D. Heintz
As seen from A:
At periastron, B would appear as magnitude -16.35
At apastron, B would appear as magnitude -15.36
As seen from B:
At periastron, A would appear as magnitude -17.36
At apastron, A would appear as magnitude -16.36
Component A:
Spectral class: M1.5e
Luminosity Class: V
Apparent visual magnitude: +8.94
Absolute visual magnitude: +8.86
Visual luminosity: 0.025 x Sol
Diameter: 0.70 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.16 A.U.s
Angular size of star in sky in CZ: 2.374122 degrees
Component B:
Right Ascension and Declination: 13h17m36s, +48°2'24" (epoch 1950.0)
Distance from Sol: 31.7 light-years (9.71 parsecs)
Standard error in distance: 7.2072%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -20.0, -7.03, 23.5
Galactic (X,Y,Z) coordinates in ly: -3.91, 10.9, 29.5
Proper motion: 0.147 arcsec/yr (101.0° from north)
Radial Velocity: -3.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 6.48, 1.83, -3.36
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +9.80
Absolute visual magnitude: +9.86
Visual luminosity: 0.0099 x Sol
Diameter: 0.58 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.099 A.U.s
Angular size of star in sky in CZ: 3.112665 degrees