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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=13001
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ColumnValue  Explain   (UCD)
_RAJ200002 31 33.6300 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-27 30 16.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 29 21.0463 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-27 43 31.397 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon219.7022619 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-67.7953029 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
13001recno 13001  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS02316-2730  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscB 38  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11925 yr Date of first satisfactory observation (time.epoch)
Obs21996 yr Date of last satisfactory observation (time.epoch)
Nobs 12  Number of Observations (up to 9999) (meta.number)
pa1251 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2259 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 1.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 1.50 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 7.670 mag Magnitude of First Component (phot.mag;em.opt)
mag210.25 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeA2  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 45 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 18 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 49 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 18 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM-28 800  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 33.63 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-27 30 16.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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