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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (152451 rows)
  recno=74618
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ColumnValue  Explain   (UCD)
_RAJ200012 17 00.5300 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+60 59 57.700 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195012 14 35.2029 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+61 16 36.361 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon130.3169238 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+55.6324948 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
74618recno 74618  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS12170+6100  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscTDS8301  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11991 yr Date of first satisfactory observation (time.epoch)
Obs21991 yr Date of last satisfactory observation (time.epoch)
Nobs 1  Number of Observations (up to 9999) (meta.number)
pa1115 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2115 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.7 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.70 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.940 mag Magnitude of First Component (phot.mag;em.opt)
mag212.03 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -11 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 18 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -11 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 18 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
Notes    [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200012 17 00.53 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+60 59 57.7 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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