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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=118748
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ColumnValue  Explain   (UCD)
_RAJ200019 30 04.7000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 26 41.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 27 30.3746 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-00 33 00.043 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon036.9705848 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -8.7938139 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
118748recno 118748  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19301-0027  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSTF2533  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11831 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 30  Number of Observations (up to 9999) (meta.number)
pa1212 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2212 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 23.2 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 22.10 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 7.370 mag Magnitude of First Component (phot.mag;em.opt)
mag2 9.98 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeA3V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 2 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -9 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 3 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -8 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM-00 3762  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 04.70 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-00 26 41.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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