Luyten Palomar 587-50

light-years

Arity: binary
Right Ascension and Declination: 1h20m12s, +0°16'41" (epoch 1950.0)
Distance from Sol: 47.1 light-years (14.5 parsecs)
Standard error in distance: 6.2331%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 44.3, 16.2, 0.23
Galactic (X,Y,Z) coordinates in ly: -17.2, 14.7, -41.4
Proper motion: 0.567 arcsec/yr (202.4° 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: +12.82
Combined visual luminosity: 0.00065 x Sol
Observed Separation: 36.1 A.U.s
As seen from A:
     B would appear as magnitude -9.58
As seen from B:
     A would appear as magnitude -10.61


Component A:
Catalog numbers:
     Luyten Half-Second (LHS) 1240
Spectral class: M
Luminosity Class: V-VI
Apparent visual magnitude: +13.97
Absolute visual magnitude: +13.17
Visual luminosity: 0.00047 x Sol
Comfort Zone (visual): 0.022 A.U.s


Component B:
Catalog numbers:
     Luyten Palomar (LP) 587-50, Luyten Half-Second (LHS) 1241
Spectral class: M
Luminosity Class: V-VI
Apparent visual magnitude: +15.00
Absolute visual magnitude: +14.20
Visual luminosity: 0.00018 x Sol
Comfort Zone (visual): 0.013 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.