What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: +4.83
Combined visual luminosity: 1.02 x Sol
Observed Separation: 2644 A.U.s
As seen from A:
B would appear as magnitude -4.19
As seen from B:
A would appear as magnitude -9.63
Component A:
Spectral class: G5
Luminosity Class: V
Apparent visual magnitude: +6.44
Absolute visual magnitude: +4.83
Visual luminosity: 1.02 x Sol
Color indices: B-V= +0.63, U-B= +0.09, R-I= +0.22
Diameter: 0.96 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.01 A.U.s
Angular size of star in sky in CZ: 0.507635 degrees
Component B:
Catalog numbers:
Giclas (G) 144-26, Luyten (L) 1288-4
Right Ascension and Declination: 20h38m29s, +19°43'6" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: 41.1, -49.6, 23.1
Galactic (X,Y,Z) coordinates in ly: 29.4, 59.8, -15.7
Proper motion: 0.33 arcsec/yr (22.0° from north)
Radial Velocity: -35.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -43.0, -15.2, 15.8
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +11.88
Absolute visual magnitude: +10.27
Visual luminosity: 0.0068 x Sol
Color indices: B-V= +1.55, U-B= +1.26
Diameter: 0.29 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.082 A.U.s
Angular size of star in sky in CZ: 1.876427 degrees