Cordoba Durchmusterung -28°1030

Catalog numbers:
Gliese & Jahreiss (GJ) 1054, Cordoba Durchmusterung (CD) -28°1030, Hipparcos Input Catalog (HIC) 14555, Vyssotsky McCormick (McC) 414
Arity: binary
Right Ascension and Declination: 3h7m55.73s, -28°13'11.4" (epoch 2000.0)
Distance from Sol: 62.3 light-years (19.1 parsecs)
Standard error in distance: 8.7615%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 37.4, 40.1, -29.4
Galactic (X,Y,Z) coordinates in ly: -23.3, -21.5, -53.6
Proper motion: 0.376 arcsec/yr (250.0° 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: +8.70
Combined visual luminosity: 0.029 x Sol
Observed Separation: 1355 A.U.s
As seen from A:
B would appear as magnitude -4.23
As seen from B:
A would appear as magnitude -7.14

Component A:
Catalog numbers:
Luyten Two-Tenth (LTT) 1479
Spectral class: K7
Luminosity Class: V
Apparent visual magnitude: +10.18
Absolute visual magnitude: +8.77
Visual luminosity: 0.027 x Sol
Color indices: B-V= +1.41, U-B= +1.08, R-I= +0.76
Comfort Zone (visual): 0.16 A.U.s

Component B:
Catalog numbers:
Luyten Two-Tenth (LTT) 1477
Right Ascension and Declination: 3h5m47s, -28°25'30" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: 37.7, 39.7, -29.6
Galactic (X,Y,Z) coordinates in ly: -22.8, -21.4, -53.9
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +13.09
Absolute visual magnitude: +11.69
Visual luminosity: 0.0018 x Sol
Color indices: B-V= +1.64, U-B= +1.22, R-I= +1.07
Comfort Zone (visual): 0.043 A.U.s

Data for this star system were most recently updated on 4-April-2001.