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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (152451 rows)
  recno=74616
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ColumnValue  Explain   (UCD)
_RAJ200012 17 06.5400 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+66 23 09.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195012 14 44.1884 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+66 39 48.710 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon128.3109487 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+50.3822271 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
74616recno 74616  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS12170+6623  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscLDS2638  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11966 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 9  Number of Observations (up to 9999) (meta.number)
pa1255 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2256 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 70.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 69.70 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.650 mag Magnitude of First Component (phot.mag;em.opt)
mag214.44 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -86 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 6 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -89 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 3 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)
RAJ200012 17 06.54 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+66 23 09.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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