Kappa Reticuli

light-years
Proper names: Kappa Reticuli
Catalog numbers:
     Gliese (Gl) 143.2, Henry Draper (HD) 22001, Cape Photographic Durchmusterung (CPD) -63°234, Hipparcos Input Catalog (HIC) 16245, Smithsonian Astrophysical Observatory (SAO) 248819, Fifth Fundamental Catalogue (FK5) 126, Hoffleit Bright Star (HR) 1083, Woolley (Wo) 9118
Age: 1800 million years
Source for age: B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275
Heavy element abundance: 83% of Sol
Source for heavy element abundance: B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275
Arity: binary
Right Ascension and Declination: 3h29m22.678s, -62°56'15.09" (epoch 2000.0)
Distance from Sol: 69.9 light-years (21.4 parsecs)
Standard error in distance: 1.0185%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 19.4, 25.2, -62.3
Galactic (X,Y,Z) coordinates in ly: 6.82, -48.1, -50.3
Proper motion: 0.537 arcsec/yr (45.2° from north)
Radial Velocity: 12 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -50.9, -22.9, -1.69

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +3.04
Combined visual luminosity: 5.29 x Sol
Observed Separation: 1072 A.U.s
As seen from A:
     B would appear as magnitude -7.33
As seen from B:
     A would appear as magnitude -13.38


Component A:
Catalog numbers:
     Luyten Half-Second (LHS) 1551
Spectral class: F5
Luminosity Class: IV-V
Apparent visual magnitude: +4.70
Absolute visual magnitude: +3.05
Visual luminosity: 5.27 x Sol
Color indices: B-V= +0.39, U-B= -0.04, R-I= +0.11
Diameter: 1.52 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 2.29 A.U.s
Angular size of star in sky in CZ: 0.353223 degrees


Component B:
Catalog numbers:
     Luyten Half-Second (LHS) 1552, Luyten (L) 128-37
Right Ascension and Declination: 3h28m36s, -63°7'17" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: 19.4, 25.0, -62.4
Galactic (X,Y,Z) coordinates in ly: 7.07, -48.1, -50.2
Proper motion: 0.524 arcsec/yr (44.9° from north)
Radial Velocity: 12 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -49.7, -22.4, -2.28
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +10.75
Absolute visual magnitude: +9.09
Visual luminosity: 0.020 x Sol
Color indices: B-V= +1.42, R-I= +0.80
Comfort Zone (visual): 0.14 A.U.s

light-years
but not more than light-years away
Data for this star system were most recently updated on 11-May-2001.