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=110965
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ColumnValue  Explain   (UCD)
_RAJ200018 44 16.8200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+39 37 16.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 42 37.4304 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+39 34 11.982 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon068.7963035 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+18.1913650 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
110965recno 110965  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)
CompGH  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 13  Number of Observations (up to 9999) (meta.number)
pa1356 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2358 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 25.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 35.80 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag114.200 mag Magnitude of First Component (phot.mag;em.opt)
mag213.90 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -28 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -88 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -18 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 2 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 16.82 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+39 37 16.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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