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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (152352 rows)
  recno=97237
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ColumnValue  Explain   (UCD)
_RAJ200016 56 24.4400 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+03 30 29.100 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 53 55.0783 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+03 35 08.670 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon022.2843474 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+27.0827865 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
97237recno 97237  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS16564+0330  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscLDS4705  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11960 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 10  Number of Observations (up to 9999) (meta.number)
pa1 55 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 55 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 14.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 14.20 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag115.200 mag Magnitude of First Component (phot.mag;em.opt)
mag217.00 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1-132 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 3 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2  mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2  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)
RAJ200016 56 24.44 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+03 30 29.1 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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