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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (153033 rows)
  recno=122495
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ColumnValue  Explain   (UCD)
_RAJ200019 50 46.9900 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+08 52 05.900 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 48 20.5803 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+08 44 05.548 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon047.7440856 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -8.9091628 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
122495recno 122495  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19508+0852  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscDAL 27  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAD  Components when more than 2 (Note 1)   (meta.code.multip)
Obs12005 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 11  Number of Observations (up to 9999) (meta.number)
pa1 96 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2105 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 32.1 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 26.80 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 0.950 mag Magnitude of First Component (phot.mag;em.opt)
mag211.90 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeA7V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 537 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 386 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   Durchmusterung Number (Note 3)   (meta.id)
NotesNU   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200019 50 46.99 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+08 52 05.9 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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