Luyten Double Star 1201

light-years

Catalog numbers:
     Luyten Double Star (LDS) 1201
Arity: binary
Right Ascension and Declination: 5h55m27s, +68°9'41" (epoch 1950.0)
Distance from Sol: 65.9 light-years (20.2 parsecs)
Standard error in distance: 3.3203%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 0.49, 24.5, 61.2
Galactic (X,Y,Z) coordinates in ly: -51.0, 34.7, 23.1
Proper motion: 1.174 arcsec/yr (161.4° 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: +10.81
Combined visual luminosity: 0.0041 x Sol
Observed Separation: 1131 A.U.s
As seen from A:
     B would appear as magnitude -4.52
As seen from B:
     A would appear as magnitude -4.93


Component A:
Catalog numbers:
     Giclas (G) 249-28, Luyten Half-Second (LHS) 214, Luyten Palomar (LP) 57-41
Spectral class: M
Luminosity Class: V-VI
Apparent visual magnitude: +12.90
Absolute visual magnitude: +11.37
Visual luminosity: 0.0025 x Sol
Color indices: B-V= +1.56
Comfort Zone (visual): 0.050 A.U.s


Component B:
Catalog numbers:
     Giclas (G) 249-27, Luyten Half-Second (LHS) 213, Luyten Palomar (LP) 57-40
Right Ascension and Declination: 5h55m24s, +68°8'48" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: 0.49, 24.5, 61.2
Galactic (X,Y,Z) coordinates in ly: -51.0, 34.7, 23.1
Spectral class: M
Luminosity Class: V-VI
Apparent visual magnitude: +13.31
Absolute visual magnitude: +11.78
Visual luminosity: 0.0017 x Sol
Color indices: B-V= +1.59
Comfort Zone (visual): 0.041 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.