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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=13004
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ColumnValue  Explain   (UCD)
_RAJ200002 31 39.2700 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+44 56 38.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 28 24.6343 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+44 43 26.282 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon140.9576346 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-14.3913832 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
13004recno 13004  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS02317+4457  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscBWL 11  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs12010 yr Date of first satisfactory observation (time.epoch)
Obs22010 yr Date of last satisfactory observation (time.epoch)
Nobs 1  Number of Observations (up to 9999) (meta.number)
pa1270 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2270 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 7.4 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 7.40 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.400 mag Magnitude of First Component (phot.mag;em.opt)
mag218.00 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeM4.4  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 94 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -47 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2  mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2  mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesK   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200002 31 39.27 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+44 56 38.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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