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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=118758
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ColumnValue  Explain   (UCD)
_RAJ200019 30 13.9300 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+53 12 27.100 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 29 02.5088 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+53 06 00.454 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon085.0454556 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+15.9834499 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
118758recno 118758  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19302+5312  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscUC 3959  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11998 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)
pa1244 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2245 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 15.6 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 15.30 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag114.400 mag Magnitude of First Component (phot.mag;em.opt)
mag215.70 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 92 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 95 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 13.93 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+53 12 27.1 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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