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) (154798 rows)
  recno=110963
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ColumnValue  Explain   (UCD)
_RAJ200018 44 20.4100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+39 37 42.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 42 40.9084 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+39 34 33.983 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon068.8077616 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+18.1831421 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
110963recno 110963  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS18443+3940  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSHJ 277  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompEG  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11878 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 11  Number of Observations (up to 9999) (meta.number)
pa1247 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2236 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 42.6 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 50.00 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag112.300 mag Magnitude of First Component (phot.mag;em.opt)
mag214.20 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 0 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -7 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -28 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -88 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesN   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200018 44 20.41 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+39 37 42.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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