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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (145770 rows)
  recno=121366
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ColumnValue  Explain   (UCD)
_RAJ200020 15 06.3100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+09 59 42.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 12 42.3634 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+09 50 32.252 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon051.8225020 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-13.5192258 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
121366recno 121366  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS20151+1000  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscGWP2931  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11990 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 50 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 29.4 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 29.00 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag113.00 mag Magnitude of First Component (phot.mag;em.opt)
mag217.10 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -26 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -54 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -20 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -58 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesV   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!] indicates a position derived from WDS name (meta.note)
RAJ200020 15 06.31 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+09 59 42.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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