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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (149682 rows)
  recno=121320
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ColumnValue  Explain   (UCD)
_RAJ200019 55 32.1500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+41 39 43.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 53 50.3703 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+41 31 42.068 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon076.6094195 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat +6.8671076 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
121320recno 121320  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19555+4140  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscKOI1689  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAC  Components when more than 2 (Note 1)   (meta.code.multip)
Obs12010 yr Date of first satisfactory observation (time.epoch)
Obs22010 yr Date of last satisfactory observation (time.epoch)
Nobs 1  Number of Observations (up to 9999) (meta.number)
pa1 55 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 55 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 3.8 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 3.80 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag113.40 mag Magnitude of First Component (phot.mag;em.opt)
mag217.30 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 7 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 10 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)
NotesK   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200019 55 32.15 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+41 39 43.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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