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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (150551 rows)
  recno=118542
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ColumnValue  Explain   (UCD)
_RAJ200019 41 49.0900 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+50 31 31.600 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 40 29.2656 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+50 24 31.230 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon083.3401996 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+13.2146551 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
118542recno 118542  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19418+5032  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscTRN 4  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAa,Ab  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11998 yr Date of first satisfactory observation (time.epoch)
Obs22009 yr Date of last satisfactory observation (time.epoch)
Nobs 11  Number of Observations (up to 9999) (meta.number)
pa1204 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2208 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 3.5 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 3.20 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 5.99 mag Magnitude of First Component (phot.mag;em.opt)
mag213.00 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeG1.5V+M5V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1-146 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-155 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+50 2847  Durchmusterung Number (Note 3)   (meta.id)
NotesNV   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200019 41 49.09 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+50 31 31.6 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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