Kuiper 55

light-years

Catalog numbers:
     Gliese (Gl) 414.1, Catalogue Astrographique (AC) +44°472-15, Giclas (G) 122-2, Vyssotsky McCormick (McC) 36, Kuiper (KUI) 55
Arity: binary
Right Ascension and Declination: 11h8m35s, +43°41'42" (epoch 1950.0)
Distance from Sol: 53.5 light-years (16.4 parsecs)
Standard error in distance: 4.6875%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -37.7, 8.60, 36.9
Galactic (X,Y,Z) coordinates in ly: -22.8, 5.06, 48.1
Proper motion: 0.766 arcsec/yr (236.9° from north)
Radial Velocity: -10.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -30.2, -48.0, -21.0

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +9.81
Combined visual luminosity: 0.010 x Sol
Observed Separation: 61.6 A.U.s
As seen from A:
     B would appear as magnitude -11.88
As seen from B:
     A would appear as magnitude -12.23


Component A:
Catalog numbers:
     Luyten Half-Second (LHS) 2368
Spectral class: M3
Luminosity Class: V
Apparent visual magnitude: +11.47
Absolute visual magnitude: +10.40
Visual luminosity: 0.0060 x Sol
Color indices: B-V= +1.49
Comfort Zone (visual): 0.078 A.U.s


Component B:
Catalog numbers:
     Luyten Half-Second (LHS) 2369
Proper motion: 0.766 arcsec/yr (236.9° from north)
Radial Velocity: -19 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -26.6, -48.8, -28.6
Spectral class: M3
Luminosity Class: V
Apparent visual magnitude: +11.82
Absolute visual magnitude: +10.75
Visual luminosity: 0.0044 x Sol
Color indices: B-V= +1.54
Comfort Zone (visual): 0.066 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.