What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: +8.26
Combined visual luminosity: 0.043 x Sol
Observed Separation: 294 A.U.s
As seen from A:
B would appear as magnitude -10.20
As seen from B:
A would appear as magnitude -10.24
Data for (A-B) and C's orbit around one other:
Combined absolute visual magnitude: +8.24
Combined visual luminosity: 0.044 x Sol
Observed Separation: 1368 A.U.s
As seen from (A-B):
C would appear as magnitude -3.23
As seen from C:
(A-B) would appear as magnitude -7.63
Component A:
Catalog numbers:
Bonner Durchmusterung (BD) -17°3336, Luyten Half-Second (LHS) 2379, Hipparcos Input Catalog (HIC) 54963, UGPMF 260
Spectral class: K7
Luminosity Class: V
Apparent visual magnitude: +9.97
Absolute visual magnitude: +8.99
Visual luminosity: 0.022 x Sol
Color indices: B-V= +1.36, U-B= +1.21, R-I= +0.60
Diameter: 0.64 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.15 A.U.s
Angular size of star in sky in CZ: 2.293480 degrees
Component B:
NOTE: This star is actually a close-orbiting binary pair. The data below are for both sub-components of the pair combined.
Catalog numbers:
Bonner Durchmusterung (BD) -17°3337, Luyten Half-Second (LHS) 2380, Hipparcos Input Catalog (HIC) 54966, UGPMF 261
Right Ascension and Declination: 11h15m20.8s, -18°8'41.7" (epoch 2000.0)
Celestial (X,Y,Z) coordinates in ly: -47.8, 9.44, -16.0
Galactic (X,Y,Z) coordinates in ly: 2.70, -39.7, 32.4
Proper motion: 0.754 arcsec/yr (169.3° from north)
Radial Velocity: 18 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 37.2, -39.6, -23.1
Spectral class: K7
Luminosity Class: V
Apparent visual magnitude: +10.02
Absolute visual magnitude: +9.03
Visual luminosity: 0.021 x Sol
Color indices: B-V= +1.38, U-B= +1.21, R-I= +0.61
Diameter: 0.63 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.15 A.U.s
Angular size of star in sky in CZ: 2.307045 degrees
Component C:
Catalog numbers:
Luyten Half-Second (LHS) 2378, Luyten Two-Tenth (LTT) 4155, Luyten (L) 755-50
Right Ascension and Declination: 11h12m46s, -17°50'36" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: -47.8, 9.99, -15.7
Galactic (X,Y,Z) coordinates in ly: 2.09, -39.7, 32.3
Proper motion: 0.754 arcsec/yr (169.3° from north)
Radial Velocity: 18 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 37.1, -39.8, -22.8
Spectral class: M3.5
Luminosity Class: V
Apparent visual magnitude: +13.64
Absolute visual magnitude: +12.66
Visual luminosity: 0.00075 x Sol
Color indices: B-V= +1.58, U-B= +1.05, R-I= +1.16
Diameter: 0.3 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.027 A.U.s
Angular size of star in sky in CZ: 5.827366 degrees