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) (155005 rows)
  recno=21718
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ColumnValue  Explain   (UCD)
_RAJ200004 21 39.1900 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-72 58 31.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 22 25.1707 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-73 05 24.030 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon286.1301266 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-36.4723416 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
21718recno 21718  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS04217-7259  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscUC 1155  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11897 yr Date of first satisfactory observation (time.epoch)
Obs22016 yr Date of last satisfactory observation (time.epoch)
Nobs 8  Number of Observations (up to 9999) (meta.number)
pa1343 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2345 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 39.8 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 39.40 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag110.340 mag Magnitude of First Component (phot.mag;em.opt)
mag212.59 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -34 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -61 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -34 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -58 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesV   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200004 21 39.19 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-72 58 31.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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