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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=118756
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ColumnValue  Explain   (UCD)
_RAJ200019 30 12.6000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+56 38 40.100 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 29 12.4936 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+56 32 18.462 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon088.3301467 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+17.3664059 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
118756recno 118756  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19302+5639  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscA 712  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11904 yr Date of first satisfactory observation (time.epoch)
Obs22011 yr Date of last satisfactory observation (time.epoch)
Nobs 47  Number of Observations (up to 9999) (meta.number)
pa1 89 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 72 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.2 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.10 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 7.490 mag Magnitude of First Component (phot.mag;em.opt)
mag2 7.94 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeA0V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -9 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -14 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2  mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2  mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM+56 2250  Durchmusterung Number (Note 3)   (meta.id)
NotesNO   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200019 30 12.60 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+56 38 40.1 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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