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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (153033 rows)
  recno=22427
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ColumnValue  Explain   (UCD)
_RAJ200004 31 40.1300 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+18 13 58.100 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 28 46.0790 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+18 07 36.369 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon178.8633485 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-19.9671420 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
22427recno 22427  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS04317+1814  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscGHE 9  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAa,Ab  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11989 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 35  Number of Observations (up to 9999) (meta.number)
pa1154 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2127 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.3 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.30 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag114.800 mag Magnitude of First Component (phot.mag;em.opt)
mag216.60 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeM2.0+M3.5  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 9 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  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)
NotesN   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200004 31 40.13 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+18 13 58.1 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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