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=110947
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ColumnValue  Explain   (UCD)
_RAJ200018 43 42.3600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+05 38 59.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 41 15.0385 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+05 35 55.016 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon037.0904755 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat +4.2877588 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
110947recno 110947  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS18437+0539  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSTT 361  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11843 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 32  Number of Observations (up to 9999) (meta.number)
pa1173 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2172 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 22.8 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 22.60 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 8.200 mag Magnitude of First Component (phot.mag;em.opt)
mag2 9.44 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeF0V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 2 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 1 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 3 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 1 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM+05 3933  Durchmusterung Number (Note 3)   (meta.id)
NotesY   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200018 43 42.36 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+05 38 59.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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