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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=105984
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ColumnValue  Explain   (UCD)
_RAJ200018 42 51.1000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+24 17 32.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 40 46.9529 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+24 14 29.958 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon053.9832589 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+12.5899449 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
105984recno 105984  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS18429+2418  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscTDT1015  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11991 yr Date of first satisfactory observation (time.epoch)
Obs21991 yr Date of last satisfactory observation (time.epoch)
Nobs 1  Number of Observations (up to 9999) (meta.number)
pa1214 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2214 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.4 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.40 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag110.42 mag Magnitude of First Component (phot.mag;em.opt)
mag210.42 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -4 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 11 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -4 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 11 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 51.10 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+24 17 32.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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