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VizieR

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J/AJ/152/138/binaries Orbits based on speckle interferometry at SOAR (Tokovinin, 2016)
Orbital elements (table1), and parallaxes and photometry (table3) (55 rows)
  recno=39
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ColumnValue  Explain   (UCD)
_RAJ200017 01 46.3518 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-51 07 51.702 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195016 57 52.6150 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-51 03 31.511 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon336.9700856 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-05.6157327 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
39recno 39  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS17018-5108  Code of the binary in the Washington Double Star catalog (cat. B/wds) (meta.id;meta.main)
DiscI 1306  Discoverer designation (system identifier adopted in the WDS) (meta.id)
Comp   Component(s) (meta.code.multip)

Nobs 16  Number of observations of the system (table2) (meta.number)
NN  Indicates a note on the binary (meta.note)

Per193.70000 yr [1.421/373.7] Orbital period (time.period)
f_Per    [f] Flag on Per (f=fixed) (meta.code)
e_Per  yr [0.002/15.772] Uncertainty in Per (stat.error)
T01989.5900 yr [1920.6/2189.08] Epoch of periastron T0 (time.epoch)
f_T0    [f] Flag on T0 (f=fixed) (meta.code)
e_T0  yr [0.01/51] Uncertainty in T0 (stat.error)
e 0.187   [0.01/0.976] Eccentricity (src.orbital.eccentricity)
f_e    [f] Flag on e (f=fixed) (meta.code)
e_e    [0.004/0.35] Uncertainty in e (stat.error)
a 0.3170 arcsec [0.0324/1.53] Semimajor axis (phys.angSize.smajAxis;src.orbital)
e_a  arcsec [0.0009/0.19] Uncertainty in a (stat.error)
Omega 12.8 deg [4/351.5] Position angle of node Ω (Note 1)   (src.orbital.node)
e_Omega  deg [0.4/103.7] Uncertainty in Omega (stat.error)
omega149.0 deg [-0.3/359.5] Argument of periastron ω (src.orbital.periastron)
f_omega    [f] Flag on omega (f=fixed) (meta.code)
e_omega  deg [0.8/157.7] Uncertainty in omega (stat.error)
i 84.6 deg [34/169] Inclination (src.orbital.inclination)
f_i    [f] Flag on i (f=fixed) (meta.code)
e_i  deg [0.2/34.1] Uncertainty in i (stat.error)
Gr5   [1/5] Orbital element grade (from 1=definitive to 5=indeterminate) (Note 2)   (meta.code)
RefOle2004b  References to previously computed orbits (Note 3)   (meta.ref;meta.modelled)
f_Ref   Flag on Ref (a=insufficient coverage, and/or b=see Figure1) (meta.code)
HIP 83321   [20048/109561] Hipparcos number (Cat. I/239), when available (meta.id)
SpTA7V  Spectral type (Note 4)   (src.spType)
Hplx 9.6 mas [1.4/55.7] HIP2 (van Leeuwen, 2007, Cat. I/311) parallax (πHIP2) (pos.parallax.trig)
Dplx 5.8 mas [2.6/51.4] Dynamical parallax (πdyn) (Note 5)   (pos.parallax.dyn)
f_Dplx    [*] Asterisks mark the dynamical parallaxes derived from reliable orbits of grade 3 or better (meta.code)
Mass1 2.3 Msun [0.7/4.2] Mass of primary component (Note 5)   (phys.mass)
Mass2 2.1 Msun [0.5/4.1] Mass of secondary component (Note 5)   (phys.mass)
Vmag 6.43 mag [4.54/10.46] The combined V-band magnitude (Note 6)   (phot.mag;em.opt.V)
V-I 0.32 mag [0.05/1.47] The (V-Ic) color index (Note 6)   (phot.color;em.opt.V;em.opt.I)
Dymag 0.47 mag [0.05/3.98] Average Δy magnitude (Note 7)   (phot.mag;em.opt.V)
s_Dymag 0.35 mag [0.04/0.87] The rms scatter of magnitude difference in y filter if measured several times (σΔy) (Note 8)   (stat.error;phot.mag;arith.diff)
DImag  mag [0.07/2.94] Average ΔI magnitude (Note 7)   (phot.mag;em.opt.I)
s_DImag  mag [0.01/0.52] The rms scatter of magnitude difference in I filter if measured several times (σΔI) (Note 8)   (stat.error;phot.mag;arith.diff)

SimbadNameHIP 83321  Designation understandable by the Simbad data-base (meta.id)
_RA255.44313 deg (i) Position from SIMBAD database (right ascension part) (pos.eq.ra;meta.main)
_DE-51.13103 deg (i) Position from SIMBAD database (declination part) (pos.eq.dec;meta.main)
  
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