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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154448 rows)
  recno=104182
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ColumnValue  Explain   (UCD)
_RAJ200017 55 13.0200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-39 34 03.000 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195017 51 44.2548 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-39 33 31.762 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon351.8348675 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -7.1137068 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
104182recno 104182  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS17552-3934  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscBVD 152  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11904 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)
pa1149 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2148 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 50.9 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 50.60 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.130 mag Magnitude of First Component (phot.mag;em.opt)
mag211.37 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeF6V+G9V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -47 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -54 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -46 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -53 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesV   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200017 55 13.02 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-39 34 03.0 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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