What do all these fields mean?
Data for A and B's orbit around one other:
Combined absolute visual magnitude: +4.93
Combined visual luminosity: 0.93 x Sol
Observed Separation: 1013 A.U.s
As seen from A:
B would appear as magnitude -10.47
As seen from B:
A would appear as magnitude -11.14
Data for (A-B) and C's orbit around one other:
Combined absolute visual magnitude: +4.93
Combined visual luminosity: 0.93 x Sol
Observed Separation: 24434 A.U.s
As seen from (A-B):
C would appear as magnitude +4.29
As seen from C:
(A-B) would appear as magnitude -4.70
Component A:
NOTE: This star is actually a close-orbiting binary pair. The data below are for both sub-components of the pair combined.
Catalog numbers:
Henry Draper (HD) 137763, Bonner Durchmusterung (BD) -8°3981, Giclas (G) 151-62, Hipparcos Input Catalog (HIC) 75718, Smithsonian Astrophysical Observatory (SAO) 140550, Luyten Two-Tenth (LTT) 6180
Spectral class: K2
Luminosity Class: V
Apparent visual magnitude: +6.89
Absolute visual magnitude: +5.40
Visual luminosity: 0.60 x Sol
Color indices: B-V= +0.81, U-B= +0.49, R-I= +0.29
Diameter: 0.87 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.78 A.U.s
Angular size of star in sky in CZ: 0.597662 degrees
Component B:
Catalog numbers:
Henry Draper (HD) 137778, Bonner Durchmusterung (BD) -8°3983, Giclas (G) 151-63, Hipparcos Input Catalog (HIC) 75722, Smithsonian Astrophysical Observatory (SAO) 140552, UGPMF 380, Luyten Two-Tenth (LTT) 6181
Right Ascension and Declination: 15h28m12.26s, -9°21'25.9" (epoch 2000.0)
Celestial (X,Y,Z) coordinates in ly: -39.3, -50.4, -10.5
Galactic (X,Y,Z) coordinates in ly: 51.7, -4.51, 38.8
Proper motion: 0.379 arcsec/yr (165.5° from north)
Radial Velocity: 8 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 23.1, -20.3, -19.8
Spectral class: K2
Luminosity Class: V
Apparent visual magnitude: +7.57
Absolute visual magnitude: +6.08
Visual luminosity: 0.32 x Sol
Color indices: B-V= +0.92, U-B= +0.65, R-I= +0.30
Diameter: 0.81 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.57 A.U.s
Angular size of star in sky in CZ: 0.760025 degrees
Component C:
Catalog numbers:
Giclas (G) 151-61
Right Ascension and Declination: 15h25m3s, -8°51'0" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: -40.1, -49.9, -9.97
Galactic (X,Y,Z) coordinates in ly: 51.1, -4.67, 39.6
Proper motion: 0.318 arcsec/yr (172.0° from north)
Radial Velocity: 8.2 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 19.4, -19.8, -14.0
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +15.41
Absolute visual magnitude: +13.92
Visual luminosity: 0.00024 x Sol
Color indices: B-V= +1.84, R-I= +1.42
Diameter: 0.18 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.015 A.U.s
Angular size of star in sky in CZ: 6.253057 degrees