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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=97238
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ColumnValue  Explain   (UCD)
_RAJ200016 55 25.2000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-08 19 21.600 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 52 44.8485 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-08 13 52.649 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon011.0481787 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+21.1609094 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
97238recno 97238  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)
DiscUC 3253  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompCF  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11999 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 4  Number of Observations (up to 9999) (meta.number)
pa1150 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2150 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1299.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2298.80 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.400 mag Magnitude of First Component (phot.mag;em.opt)
mag216.50 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeM  Spectral Type (Primary/Secondary) (src.spType)
pmRA1-814 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-895 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2-771 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2-871 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesNV   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200016 55 25.20 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-08 19 21.6 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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