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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=65579
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ColumnValue  Explain   (UCD)
_RAJ200010 19 58.3500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+19 50 29.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195010 17 13.1069 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+20 05 42.649 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon216.5516082 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+54.6523300 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
65579recno 65579  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS10200+1950  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSTF1424  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAC  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11851 yr Date of first satisfactory observation (time.epoch)
Obs22016 yr Date of last satisfactory observation (time.epoch)
Nobs 31  Number of Observations (up to 9999) (meta.number)
pa1294 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2288 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1210.7 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2341.20 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 2.370 mag Magnitude of First Component (phot.mag;em.opt)
mag2 9.64 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeK0III  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 311 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-153 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2-502 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -43 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM+20 2465  Durchmusterung Number (Note 3)   (meta.id)
NotesNL U   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200010 19 58.35 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+19 50 29.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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