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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154613 rows)
  recno=118750
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ColumnValue  Explain   (UCD)
_RAJ200019 30 06.5100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-12 51 34.300 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 27 18.5191 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-12 57 52.617 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon025.6139258 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-14.3115260 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
118750recno 118750  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19301-1252  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscTDT1505  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)
pa1 47 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 47 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.9 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.90 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.370 mag Magnitude of First Component (phot.mag;em.opt)
mag211.40 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 7 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -1 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 7 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -1 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)
RAJ200019 30 06.51 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-12 51 34.3 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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