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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (149731 rows)
  recno=142731
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ColumnValue  Explain   (UCD)
_RAJ200022 41 52.6600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-18 23 07.200 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195022 39 11.1008 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-18 38 48.921 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon042.3896129 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-58.9796512 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
142731recno 142731  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS22419-1823  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscGWP3184  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)
Obs22010 yr Date of last satisfactory observation (time.epoch)
Nobs 3  Number of Observations (up to 9999) (meta.number)
pa1 23 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 23 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 45.8 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 45.60 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag117.80 mag Magnitude of First Component (phot.mag;em.opt)
mag218.30 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 52 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -20 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 56 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -18 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesV R   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200022 41 52.66 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-18 23 07.2 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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