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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154541 rows)
  recno=125779
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ColumnValue  Explain   (UCD)
_RAJ200019 58 37.2600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+17 34 20.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 56 21.8417 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+17 26 09.251 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon056.2981924 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -6.1715403 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
125779recno 125779  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19586+1734  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscTDT1892  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11991 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 2  Number of Observations (up to 9999) (meta.number)
pa1 38 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 38 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 1.2 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 1.20 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.310 mag Magnitude of First Component (phot.mag;em.opt)
mag211.57 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 0 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 0 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -9 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   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 58 37.26 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+17 34 20.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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