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VizieR

J/A+A/546/A69/table2 Orbits of visual binaries and dynamical masses (Malkov+, 2012)
System list, includes masses estimates (652 rows)
  WDS=20396+1555
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ColumnValue  Explain   (UCD)
552recno 552  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS20396+1555  WDS designation (meta.id;meta.main)
mag1 3.86 mag Visual magnitude of primary component (Note G1)   (phot.mag;em.opt.V)
mag2 6.43 mag Visual magnitude of secondary component (Note G1)   (phot.mag;em.opt.V)
SpTypeB9IV  Spectral type(s) (Note G1)   (src.spType)
plx 12.85 mas Trigonometric parallax (Note G2)   (pos.parallax.trig)
e_plx 0.44 mas Uncertainty of trigonometric parallax (Note G2)   (stat.error;pos.parallax)
Ext 0.114 mag Interstellar extinction (Note G3)   (phys.absorption)
Per 17.000000 yr Period (time.period)
e_Per 3.400000 yr Uncertainty of period (stat.error)
a 0.1580 arcsec Semi-major axis (phys.angSize.smajAxis;src.orbital)
e_a 0.0190 arcsec Uncertainty of semi-major axis (stat.error)
e 0.4700  Eccentricity (src.orbital.eccentricity)
e_e    Uncertainty of eccentricity (stat.error)
Mdyn 6.43 Msun Dynamical mass (phys.mass)
e_Mdyn 3.52 Msun Uncertainty of dynamical mass (stat.error)
Mph 4.55 Msun Photometric mass (phys.mass)
Msp 2.82 Msun Spectroscopic mass (phys.mass)
  
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