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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (148475 rows)
  recno=105987
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ColumnValue  Explain   (UCD)
_RAJ200018 42 54.4700 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+03 23 31.100 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 40 24.5508 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+03 20 30.240 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon034.9826381 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat +3.4420084 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
105987recno 105987  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS18429+0324  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscBAL2499  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11910 yr Date of first satisfactory observation (time.epoch)
Obs22013 yr Date of last satisfactory observation (time.epoch)
Nobs 5  Number of Observations (up to 9999) (meta.number)
pa1308 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2319 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 11.2 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 11.50 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.20 mag Magnitude of First Component (phot.mag;em.opt)
mag212.30 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 1 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -7 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 6 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 6 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
Notes    [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200018 42 54.47 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+03 23 31.1 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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