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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154613 rows)
  recno=118752
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ColumnValue  Explain   (UCD)
_RAJ200019 30 03.2400 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-15 17 25.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 27 12.4995 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-15 23 43.157 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon023.3260750 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-15.3202856 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
118752recno 118752  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19301-1518  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscJ 1847  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompBC  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11941 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)
pa1 50 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 56 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 4.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 5.50 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag112.200 mag Magnitude of First Component (phot.mag;em.opt)
mag213.00 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -6 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -8 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 32 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 24 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesN   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200019 30 03.24 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-15 17 25.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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