Worley 24

light-years

Catalog numbers:
     Woolley (Wo) 9448, Bonner Durchmusterung (BD) +31°2500, Hipparcos Input Catalog (HIC) 66088, Vyssotsky McCormick (McC) 691, Worley (WOR) 24
Arity: binary
Right Ascension and Declination: 13h31m58.275s, +31°8'4.34" (epoch 2000.0)
Distance from Sol: 68 light-years (21 parsecs)
Standard error in distance: 13.9037%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -53, -23, 35
Galactic (X,Y,Z) coordinates in ly: 6.4, 9.9, 66
Proper motion: 0.141 arcsec/yr (281.4° 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: +8.87
Combined visual luminosity: 0.02 x Sol
Period: 20 years
Semimajor Axis: 5.4 A.U.s
Eccentricity: 0.65
Periastron distance: 1.9 A.U.s
Apastron distance: 8.9 A.U.s
Year in which periastron occurs: 1964.58
Source for orbit data: P. Baize
As seen from A:
     At periastron, B would appear as magnitude -20.48
     At apastron, B would appear as magnitude -17.11
As seen from B:
     At periastron, A would appear as magnitude -20.67
     At apastron, A would appear as magnitude -17.30


Component A:
NOTE: This star is actually a close-orbiting binary pair. The data below are for both sub-components of the pair combined.
Spectral class: M0
Luminosity Class: V
Apparent visual magnitude: +11.11
Absolute visual magnitude: +9.53
Visual luminosity: 0.01 x Sol
Comfort Zone (visual): 0.1 A.U.s


Component B:
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +11.30
Absolute visual magnitude: +9.72
Visual luminosity: 0.01 x Sol
Comfort Zone (visual): 0.1 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.