Cordoba Durchmusterung -31°909

light-years

Catalog numbers:
     Cordoba Durchmusterung (CD) -31°909, Hipparcos Input Catalog (HIC) 10617
Arity: binary
Right Ascension and Declination: 2h16m41.37s, -30°59'18" (epoch 2000.0)
Distance from Sol: 46.5 light-years (14.3 parsecs)
Standard error in distance: 3.943%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 33.0, 22.4, -23.9
Galactic (X,Y,Z) coordinates in ly: -10.2, -11.7, -43.8
Proper motion: 0.711 arcsec/yr (68.9° from north)
Source for proper motion: Gliese

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +10.88
Combined visual luminosity: 0.0039 x Sol
Observed Separation: 1497 A.U.s
As seen from A:
     B would appear as magnitude -3.47
As seen from B:
     A would appear as magnitude -4.45


Component A:
Catalog numbers:
     Luyten Half-Second (LHS) 1377, Luyten FT (LFT) 200, Luyten Two-Tenth (LTT) 1165, Luyten (L) 512-14
Spectral class: M4
Luminosity Class: V-VI
Apparent visual magnitude: +12.02
Absolute visual magnitude: +11.25
Visual luminosity: 0.0028 x Sol
Color indices: R-I= +1.16
Comfort Zone (visual): 0.052 A.U.s


Component B:
Catalog numbers:
     Luyten Half-Second (LHS) 1376, Luyten FT (LFT) 1199, Luyten Two-Tenth (LTT) 1164, Luyten (L) 512-15, Luyten Palomar (LP) 885-38
Right Ascension and Declination: 2h14m21s, -31°12'11" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: 33.1, 22.0, -24.1
Galactic (X,Y,Z) coordinates in ly: -9.78, -11.5, -44.0
Spectral class: M4
Luminosity Class: V-VI
Apparent visual magnitude: +13.00
Absolute visual magnitude: +12.23
Visual luminosity: 0.0011 x Sol
Color indices: R-I= +1.26
Comfort Zone (visual): 0.033 A.U.s

light-years
but not more than light-years away
Data for this star system were most recently updated on 4-April-2001.