VizieR

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VizieR

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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154915 rows)
  recno=110961
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ColumnValue  Explain   (UCD)
_RAJ200018 43 47.9200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+34 32 32.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 41 59.2893 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+34 29 26.534 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon063.8019266 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+16.4382039 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
110961recno 110961  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS18438+3433  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSEI 573  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11894 yr Date of first satisfactory observation (time.epoch)
Obs22017 yr Date of last satisfactory observation (time.epoch)
Nobs 18  Number of Observations (up to 9999) (meta.number)
pa1298 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2298 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 21.3 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 20.90 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag110.650 mag Magnitude of First Component (phot.mag;em.opt)
mag211.79 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -2 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -11 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -2 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -10 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)
RAJ200018 43 47.92 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+34 32 32.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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