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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154250 rows)
  recno=132603
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ColumnValue  Explain   (UCD)
_RAJ200020 36 18.3900 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-15 18 40.600 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 33 30.2368 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-15 29 04.532 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon030.2375156 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-29.9753089 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
132603recno 132603  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS20363-1519  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscHJ 1537  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11828 yr Date of first satisfactory observation (time.epoch)
Obs22020 yr Date of last satisfactory observation (time.epoch)
Nobs 20  Number of Observations (up to 9999) (meta.number)
pa1 15 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 22 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 1.8 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 3.60 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.020 mag Magnitude of First Component (phot.mag;em.opt)
mag2 9.47 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeG1V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 5 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -63 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 8 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -46 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM-15 5725  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)
RAJ200020 36 18.39 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-15 18 40.6 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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