Luyten Palomar 329-20

light-years

Arity: binary
Right Ascension and Declination: 15h59m54s, +30°35'48" (epoch 1950.0)
Distance from Sol: 72.5 light-years (22.2 parsecs)
Standard error in distance: 10%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -31.2, -54.0, 36.9
Galactic (X,Y,Z) coordinates in ly: 31.4, 36.4, 54.2
Proper motion: 0.189 arcsec/yr (316.0° 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: +11.45
Combined visual luminosity: 0.0023 x Sol
Observed Separation: 2489 A.U.s
As seen from A:
     B would appear as magnitude -1.16
As seen from B:
     A would appear as magnitude -2.96


Component A:
Catalog numbers:
     Luyten Palomar (LP) 329-20
Spectral class: M
Luminosity Class: V-VI
Apparent visual magnitude: +13.37
Absolute visual magnitude: +11.64
Visual luminosity: 0.0019 x Sol
Color indices: R-I= +1.11
Comfort Zone (visual): 0.044 A.U.s


Component B:
Catalog numbers:
     Luyten Palomar (LP) 329-19
Right Ascension and Declination: 15h59m46s, +30°35'54" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: -31.2, -54.0, 36.9
Galactic (X,Y,Z) coordinates in ly: 31.4, 36.4, 54.3
Spectral class: M
Luminosity Class: V-VI
Apparent visual magnitude: +15.17
Absolute visual magnitude: +13.44
Visual luminosity: 0.00037 x Sol
Color indices: R-I= +1.39
Comfort Zone (visual): 0.019 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.