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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=74621
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ColumnValue  Explain   (UCD)
_RAJ200012 16 55.8500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+26 33 17.300 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195012 14 24.5538 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+26 50 02.132 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon215.2339544 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+82.2828927 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
74621recno 74621  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS12170+2634  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscLDS1287  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11963 yr Date of first satisfactory observation (time.epoch)
Obs22009 yr Date of last satisfactory observation (time.epoch)
Nobs 2  Number of Observations (up to 9999) (meta.number)
pa1187 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2187 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 2.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 1.80 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag117.200 mag Magnitude of First Component (phot.mag;em.opt)
mag217.50 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -44 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-102 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)
Notes    [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200012 16 55.85 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+26 33 17.3 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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