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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=97236
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ColumnValue  Explain   (UCD)
_RAJ200016 55 28.7500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-08 20 11.300 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 52 48.3686 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-08 14 42.646 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon011.0444668 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+21.1410900 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
97236recno 97236  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS16555-0820  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSLE 687  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAB,E  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11970 yr Date of first satisfactory observation (time.epoch)
Obs22007 yr Date of last satisfactory observation (time.epoch)
Nobs 7  Number of Observations (up to 9999) (meta.number)
pa1315 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2324 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1290.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2295.30 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.020 mag Magnitude of First Component (phot.mag;em.opt)
mag210.40 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeM3Ve  Spectral Type (Primary/Secondary) (src.spType)
pmRA1-810 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-894 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -15 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -2 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesNL   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200016 55 28.75 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-08 20 11.3 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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