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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=54639
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ColumnValue  Explain   (UCD)
_RAJ200008 40 01.7000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+18 59 59.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 37 10.2854 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+19 10 39.459 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon206.6225218 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+32.1688628 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
54639recno 54639  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS08400+1900  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSLE 333  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11894 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 10  Number of Observations (up to 9999) (meta.number)
pa1 20 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 25 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 23.9 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 25.20 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag110.050 mag Magnitude of First Component (phot.mag;em.opt)
mag212.71 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeF6  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -36 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -12 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -23 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -5 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)
RAJ200008 40 01.70 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+18 59 59.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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