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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (152451 rows)
  recno=117284
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ColumnValue  Explain   (UCD)
_RAJ200019 30 19.4900 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+33 18 53.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 28 26.2681 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+33 12 32.962 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon066.8167718 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat +7.1724470 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
117284recno 117284  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19303+3320  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscHJ 1406  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAC  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11933 yr Date of first satisfactory observation (time.epoch)
Obs22018 yr Date of last satisfactory observation (time.epoch)
Nobs 13  Number of Observations (up to 9999) (meta.number)
pa1209 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2206 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 13.7 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 12.10 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.630 mag Magnitude of First Component (phot.mag;em.opt)
mag213.50 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 -4 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 6 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 5 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesU   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200019 30 19.49 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+33 18 53.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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