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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (152352 rows)
  recno=113201
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ColumnValue  Explain   (UCD)
_RAJ200019 08 49.8700 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+01 04 18.900 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 06 17.2058 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+00 59 27.534 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon035.8727661 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -3.3787641 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
113201recno 113201  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19089+0104  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscJ 2688  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11943 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)
pa1120 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2130 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 3.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 4.30 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag110.670 mag Magnitude of First Component (phot.mag;em.opt)
mag210.70 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 10 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 3 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)
Notes    [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200019 08 49.87 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+01 04 18.9 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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