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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (153033 rows)
  recno=21577
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ColumnValue  Explain   (UCD)
_RAJ200004 21 59.4200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+19 32 06.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 19 04.1874 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+19 25 05.771 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon176.2296499 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-20.8868522 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
21577recno 21577  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS04220+1932  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscGHE 6  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompA,Ba  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11997 yr Date of first satisfactory observation (time.epoch)
Obs22019 yr Date of last satisfactory observation (time.epoch)
Nobs 66  Number of Observations (up to 9999) (meta.number)
pa1179 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2195 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.7 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.70 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 5.500 mag Magnitude of First Component (phot.mag;em.opt)
mag2 8.20 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeK0-5  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 15 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -14 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+19 706  Durchmusterung Number (Note 3)   (meta.id)
NotesN K   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200004 21 59.42 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+19 32 06.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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