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=46235
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ColumnValue  Explain   (UCD)
_RAJ200007 22 45.1600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-21 27 18.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195007 20 35.9767 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-21 21 28.886 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon235.5073162 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -3.0931939 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
46235recno 46235  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS07228-2127  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscTDS4752  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11991 yr Date of first satisfactory observation (time.epoch)
Obs21991 yr Date of last satisfactory observation (time.epoch)
Nobs 1  Number of Observations (up to 9999) (meta.number)
pa1 88 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 88 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.5 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.50 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag110.440 mag Magnitude of First Component (phot.mag;em.opt)
mag210.73 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -1 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 -1 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   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)
RAJ200007 22 45.16 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-21 27 18.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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