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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=124737
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ColumnValue  Explain   (UCD)
_RAJ200020 00 43.7100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+22 42 39.100 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 58 34.0961 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+22 34 31.817 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon060.9630572 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -3.9222531 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
124737recno 124737  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS20007+2243  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscBAK 1  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11999 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)
pa1244 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2244 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 11.3 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 11.40 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 7.780 mag Magnitude of First Component (phot.mag;em.opt)
mag214.70 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeK0V+M4V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -2 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-250 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -4 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2-264 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)
RAJ200020 00 43.71 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+22 42 39.1 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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