Luyten Two-Tenth 12449

light-years

Catalog numbers:
     Giclas (G) 47-33, Luyten Two-Tenth (LTT) 12449
Arity: binary
Right Ascension and Declination: 9h15m51s, +26°58'6" (epoch 1950.0)
Distance from Sol: 65 light-years (20 parsecs)
Standard error in distance: 32.4324%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -44, 38, 30
Galactic (X,Y,Z) coordinates in ly: -45, -17, 44
Proper motion: 0.382 arcsec/yr (210.0° 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: +10.24
Combined visual luminosity: 0.007 x Sol
Observed Separation: 1520 A.U.s
As seen from A:
     B would appear as magnitude -1.17
As seen from B:
     A would appear as magnitude -5.40


Component A:
Spectral class: K-M
Apparent visual magnitude: +11.77
Absolute visual magnitude: +10.26
Visual luminosity: 0.007 x Sol
Color indices: B-V= +1.50, U-B= +1.23
Comfort Zone (visual): 0.08 A.U.s


Component B:
Catalog numbers:
     Luyten Palomar (LP) 313-38
Right Ascension and Declination: 9h15m46s, +26°58'48" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: -44, 38, 30
Galactic (X,Y,Z) coordinates in ly: -45, -17, 44
Spectral class: M
Apparent visual magnitude: +16.00
Absolute visual magnitude: +14.49
Visual luminosity: 0.0001 x Sol
Comfort Zone (visual): 0.01 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.