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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=105983
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ColumnValue  Explain   (UCD)
_RAJ200018 42 52.7000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+24 19 25.600 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 40 48.5886 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+24 16 23.742 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon054.0151838 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+12.5973560 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
105983recno 105983  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS18429+2420  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscPOU3497  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11905 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 6  Number of Observations (up to 9999) (meta.number)
pa1204 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2207 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 9.8 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 11.10 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.19 mag Magnitude of First Component (phot.mag;em.opt)
mag213.90 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -2 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -3 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 4 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 52.70 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+24 19 25.6 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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