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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (150551 rows)
  recno=91889
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ColumnValue  Explain   (UCD)
_RAJ200016 08 04.5500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+17 02 49.200 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 05 49.0106 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+17 10 43.995 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon031.0166880 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+43.6393187 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
91889recno 91889  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS16081+1703  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSTF2010  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAB  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11779 yr Date of first satisfactory observation (time.epoch)
Obs22018 yr Date of last satisfactory observation (time.epoch)
Nobs 210  Number of Observations (up to 9999) (meta.number)
pa1 10 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 14 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 40.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 27.00 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 5.10 mag Magnitude of First Component (phot.mag;em.opt)
mag2 6.21 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeG7III  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -34 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -6 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -26 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -32 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM+17 2964  Durchmusterung Number (Note 3)   (meta.id)
NotesNL   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200016 08 04.55 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+17 02 49.2 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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