Cordoba Durchmusterung -33°4113

Catalog numbers:
Gliese (Gl) 288, Henry Draper (HD) 63077, Cordoba Durchmusterung (CD) -33°4113, Luyten Half-Second (LHS) 237, Hipparcos Input Catalog (HIC) 37853, Smithsonian Astrophysical Observatory (SAO) 198404, Hoffleit Bright Star (HR) 3018
Age: 15100 million years — ?!
Source for age: B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275
Heavy element abundance: 13% of Sol
Standard error in heavy element abundance: 8%
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: the A star is itself a possible spectroscopic binary
Right Ascension and Declination: 7h45m34.986s, -34°10'21.37" (epoch 2000.0)
Distance from Sol: 49.58 light-years (15.20 parsecs)
Standard error in distance: 0.844%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -18.23, 36.74, -27.85
Galactic (X,Y,Z) coordinates in ly: -17.37, -46.26, -3.916
Proper motion: 1.7 arcsec/yr (350.2° from north)
Radial Velocity: 102.6 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -144.6, -58.57, 34.61

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +4.45
Combined visual luminosity: 1.444 x Sol
Observed Separation: 13938 A.U.s
As seen from A:
B would appear as magnitude +4.83
As seen from B:
A would appear as magnitude -6.40

Component A:
Spectral class: G0
Luminosity Class: V
Apparent visual magnitude: +5.36
Absolute visual magnitude: +4.45
Visual luminosity: 1.444 x Sol
Color indices: B-V= +0.59, U-B= -0.06, R-I= +0.23
Diameter: 1.160 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.202 A.U.s
Angular size of star in sky in CZ: 0.514491 degrees

Component B:
Catalog numbers:
VB 3
Right Ascension and Declination: 7h43m51s, -33°49'12" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: -18.03, 37.03, -27.59
Galactic (X,Y,Z) coordinates in ly: -17.76, -46.11, -4.031
Proper motion: 1.63 arcsec/yr (348.0° from north)
Radial Velocity: 102.6 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -142.0, -58.04, 27.97
Spectral class: M
Luminosity Class: V-VI
Apparent visual magnitude: +16.59
Absolute visual magnitude: +15.68
Visual luminosity: 0.0000465 x Sol
Color indices: B-V= +1.20, R-I= +0.57
Comfort Zone (visual): 0.00682 A.U.s

Data for this star system were most recently updated on 11-May-2001.