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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=118749
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ColumnValue  Explain   (UCD)
_RAJ200019 30 08.6500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-07 35 01.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 27 26.5974 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-07 41 19.958 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon030.5010393 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-12.0323961 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
118749recno 118749  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19301-0735  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscRST4630  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11938 yr Date of first satisfactory observation (time.epoch)
Obs22016 yr Date of last satisfactory observation (time.epoch)
Nobs 4  Number of Observations (up to 9999) (meta.number)
pa1287 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2290 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.4 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.40 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag110.800 mag Magnitude of First Component (phot.mag;em.opt)
mag211.00 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeA0  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -7 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -5 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-07 4969  Durchmusterung Number (Note 3)   (meta.id)
Notes    [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200019 30 08.65 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-07 35 01.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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