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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (146115 rows)
  recno=111971
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ColumnValue  Explain   (UCD)
_RAJ200019 30 17.5600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+01 01 31.700 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 27 44.8217 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+00 55 12.037 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon038.3142743 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -8.1623397 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
111971recno 111971  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19303+0102  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscABH 119  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAK  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11988 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 6  Number of Observations (up to 9999) (meta.number)
pa1306 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2305 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 61.4 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 61.40 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.67 mag Magnitude of First Component (phot.mag;em.opt)
mag215.20 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeA1III  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 2 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 1 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -14 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -15 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesU   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!] indicates a position derived from WDS name (meta.note)
RAJ200019 30 17.56 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+01 01 31.7 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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