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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=47215
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ColumnValue  Explain   (UCD)
_RAJ200007 30 42.7100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+48 11 54.900 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195007 26 59.7813 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+48 18 20.101 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon169.9713247 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+26.1726854 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
47215recno 47215  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS07307+4813  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscGIC 75  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAB  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11953 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 12  Number of Observations (up to 9999) (meta.number)
pa1153 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2154 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1104.4 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2103.00 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag113.520 mag Magnitude of First Component (phot.mag;em.opt)
mag214.62 mag Magnitude of Second Component (phot.mag;em.opt)
SpType+DC9  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -22 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-127 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -22 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2-127 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesN P   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200007 30 42.71 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+48 11 54.9 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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