What do all these fields mean?
Data for Aa and Ab's orbit around one other:
Combined spectrum: K5pe V
Combined apparent visual magnitude: +8.42
Combined absolute visual magnitude: +7.16
Combined visual luminosity: 0.12 x Sol
Period: 1.79 days
Semimajor Axis: 0.025 A.U.s
Eccentricity: 0.02
Periastron distance: 0.0245 A.U.s
Apastron distance: 0.0255 A.U.s
Source for orbit data: Mayor, Queloz. Udry, Halbwachs
Comfort Zone (visual) around both: 0.34 A.U.s
Component Aa:
Catalog numbers:
Giclas (G) 8-44
Component Ab:
Catalog numbers:
Giclas (G) 8-44
Component B:
Catalog numbers:
Giclas (G) 39-27, Eggen/Greenstein white dwarf (EG) 40, Luyten Palomar (LP) 358-525
Right Ascension and Declination: 4h33m39s, +27°3'53" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: 19.1, 48.2, 26.5
Galactic (X,Y,Z) coordinates in ly: -56.2, 7.41, -13.4
Proper motion: 0.278 arcsec/yr (118.0° from north)
Radial Velocity: 35.2 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -38.8, -17.0, 0.18
Spectral class: DC8
Luminosity Class: wd
Apparent visual magnitude: +15.80
Absolute visual magnitude: +14.54
Visual luminosity: 0.00013 x Sol
Color indices: B-V= +0.65, U-B= -0.05
Diameter: 0.0106 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.012 A.U.s
Angular size of star in sky in CZ: 0.490413 degrees