What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: -0.63
Combined visual luminosity: 156 x Sol
Observed Separation: 607 A.U.s
As seen from A:
B would appear as magnitude -5.66
As seen from B:
A would appear as magnitude -18.29
Data for C and D's orbit around one other:
Combined spectrum: K V-VI
Combined apparent visual magnitude: +11.20
Combined absolute visual magnitude: +9.70
Combined visual luminosity: 0.011 x Sol
Observed Separation: 33.9 A.U.s
Data for (A-B) and (C-D)'s orbit around one other:
Combined absolute visual magnitude: -0.63
Combined visual luminosity: 156 x Sol
Observed Separation: 2430 A.U.s
As seen from (A-B):
(C-D) would appear as magnitude -4.95
As seen from (C-D):
(A-B) would appear as magnitude -15.28
Component A:
Spectral class: K5
Luminosity Class: III
Apparent visual magnitude: +0.87 (increasing to +0.77)
Absolute visual magnitude: -0.63 (increasing to -0.73)
Visual luminosity: 156 x Sol (increasing to 171 x Sol)
Variable type: slow irregular (pulsating variable)
Color indices: B-V= +1.54, U-B= +1.90, R-I= +0.70
Mass: 2.5 x Sol
Source for mass: Hatzes and Cochran, Astrophysical Journal vol. 413 (1993)
Diameter: 51.5 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 12.5 A.U.s
Orbital period in CZ: 27.9501 years
Tidal index in CZ: 0.001280
Angular size of star in sky in CZ: 2.196243 degrees
Component B:
Spectral class: M2
Luminosity Class: V
Apparent visual magnitude: +13.50
Absolute visual magnitude: +12.00
Visual luminosity: 0.0014 x Sol
Mass: 0.15 x Sol
Diameter: 0.36 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.037 A.U.s
Orbital period in CZ: 6.75791 days
Tidal index in CZ: 2921.16
Angular size of star in sky in CZ: 5.163467 degrees
Component C:
Proper motion: 0.094 arcsec/yr (112.1° from north)
Radial Velocity: 54 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -52.2, -8.94, -14.0
Component D:
Proper motion: 0.094 arcsec/yr (112.1° from north)
Radial Velocity: 54 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -52.2, -8.94, -14.0