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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154252 rows)
  recno=8755
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ColumnValue  Explain   (UCD)
_RAJ200001 39 01.5400 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-17 57 01.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195001 36 35.6258 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-18 12 17.104 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon175.4881898 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-75.6991099 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
8755recno 8755  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS01388-1758  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscLDS 838  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11935 yr Date of first satisfactory observation (time.epoch)
Obs22020 yr Date of last satisfactory observation (time.epoch)
Nobs 108  Number of Observations (up to 9999) (meta.number)
pa1118 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2338 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 2.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 1.90 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag112.700 mag Magnitude of First Component (phot.mag;em.opt)
mag213.20 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeM5.5V+M6V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 339 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 56 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 330 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 56 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesNO P   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200001 39 01.54 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-17 57 01.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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