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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=117280
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ColumnValue  Explain   (UCD)
_RAJ200019 30 18.4800 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+39 07 15.100 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 28 34.5291 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+39 00 51.537 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon072.0235214 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat +9.8553992 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
117280recno 117280  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19303+3907  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscKOI1201  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAB  Components when more than 2 (Note 1)   (meta.code.multip)
Obs12010 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 4  Number of Observations (up to 9999) (meta.number)
pa1239 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2238 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 2.7 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 2.80 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag112.600 mag Magnitude of First Component (phot.mag;em.opt)
mag216.90 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 75 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 46 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)
NotesK   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200019 30 18.48 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+39 07 15.1 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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