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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=118759
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ColumnValue  Explain   (UCD)
_RAJ200019 30 10.0200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+52 34 12.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 28 56.8383 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+52 27 46.122 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon084.4369707 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+15.7309589 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
118759recno 118759  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19302+5234  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscUC 3960  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs12000 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 8  Number of Observations (up to 9999) (meta.number)
pa1270 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2270 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 74.1 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 74.10 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag114.300 mag Magnitude of First Component (phot.mag;em.opt)
mag215.60 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -10 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 93 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 3 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 90 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesV R   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200019 30 10.02 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+52 34 12.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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