Luyten 980-2

Catalog numbers:
Giclas (G) 64-52, Luyten (L) 980-2, Luyten Two-Tenth (LTT) 5558, Luyten FT (LFT) 1076
Arity: binary
Right Ascension and Declination: 14h9m39s, +0°21'12" (epoch 1950.0)
Distance from Sol: 82.2 light-years (25.2 parsecs)
Standard error in distance: 8.945%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -69.4, -44.0, 0.51
Galactic (X,Y,Z) coordinates in ly: 42.8, -14.0, 68.7
Proper motion: 0.739 arcsec/yr (290.1° from north)
Radial Velocity: -44 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -95.8, -23.3, 2.36

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +10.96
Combined visual luminosity: 0.0036 x Sol
Observed Separation: 529 A.U.s
As seen from A:
B would appear as magnitude +1.04
As seen from B:
A would appear as magnitude -6.99

Component A:
Catalog numbers:
Luyten Half-Second (LHS) 2875, Luyten Palomar (LP) 619-49
Spectral class: M3.5
Luminosity Class: V-VI
Apparent visual magnitude: +12.97
Absolute visual magnitude: +10.96
Visual luminosity: 0.0036 x Sol
Color indices: B-V= +1.63, U-B= +1.21, R-I= +1.04
Comfort Zone (visual): 0.060 A.U.s

Component B:
Catalog numbers:
Luyten Half-Second (LHS) 2876, Luyten Palomar (LP) 619-50
Right Ascension and Declination: 14h9m40s, +0°21'24" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: -69.4, -44.0, 0.51
Galactic (X,Y,Z) coordinates in ly: 42.8, -14.0, 68.7
Spectral class: M
Luminosity Class: V-VI
Apparent visual magnitude: +21.00
Absolute visual magnitude: +18.99
Visual luminosity: 0.0000022 x Sol
Comfort Zone (visual): 0.0015 A.U.s

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