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=145649
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ColumnValue  Explain   (UCD)
_RAJ200022 22 02.9800 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-57 33 04.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195022 18 44.5834 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-57 48 11.329 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon333.2529859 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-49.8543026 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
145649recno 145649  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS22220-5733  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscTDT3489  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 37 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 37 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)
mag111.130 mag Magnitude of First Component (phot.mag;em.opt)
mag211.26 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 24 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -50 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 24 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -50 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)
RAJ200022 22 02.98 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-57 33 04.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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