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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=118751
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ColumnValue  Explain   (UCD)
_RAJ200019 30 08.5000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-15 18 28.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 27 17.7276 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-15 24 47.360 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon023.3185891 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-15.3468177 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
118751recno 118751  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)
CompAB  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 5  Number of Observations (up to 9999) (meta.number)
pa1310 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2310 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1120.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 98.90 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.570 mag Magnitude of First Component (phot.mag;em.opt)
mag212.00 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeFm  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -2 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 3 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -6 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -8 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM-15 5368  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 08.50 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-15 18 28.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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