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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154250 rows)
  recno=13000
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ColumnValue  Explain   (UCD)
_RAJ200002 31 36.4200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-22 04 26.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 29 19.2659 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-22 17 40.947 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon205.9015190 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-66.7196295 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
13000recno 13000  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS02316-2204  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscRSS 58  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11977 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 4  Number of Observations (up to 9999) (meta.number)
pa1123 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2125 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 10.7 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 10.00 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.670 mag Magnitude of First Component (phot.mag;em.opt)
mag214.90 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeF8  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 10 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 2 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 29 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -30 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM-22 434  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)
RAJ200002 31 36.42 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-22 04 26.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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