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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (145770 rows)
  recno=90493
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ColumnValue  Explain   (UCD)
_RAJ200016 31 36.8600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+70 56 26.700 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 32 03.4924 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+71 02 41.461 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon103.4345824 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+36.6909099 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
90493recno 90493  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS16316+7056  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscCBL 159  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAC  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11895 yr Date of first satisfactory observation (time.epoch)
Obs22017 yr Date of last satisfactory observation (time.epoch)
Nobs 10  Number of Observations (up to 9999) (meta.number)
pa1133 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2133 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 40.1 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 40.00 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag110.14 mag Magnitude of First Component (phot.mag;em.opt)
mag2 8.28 mag Magnitude of Second Component (phot.mag;em.opt)
SpType+F5  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -64 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 23 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -63 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 23 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesNV   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!] indicates a position derived from WDS name (meta.note)
RAJ200016 31 36.86 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+70 56 26.7 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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