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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (153007 rows)
  recno=135520
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ColumnValue  Explain   (UCD)
_RAJ200021 06 53.9500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+38 44 57.900 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195021 04 55.1766 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+38 32 35.005 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon082.3197538 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -5.8181288 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
135520recno 135520  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS21069+3845  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSTF2758  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAE  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11918 yr Date of first satisfactory observation (time.epoch)
Obs22016 yr Date of last satisfactory observation (time.epoch)
Nobs 12  Number of Observations (up to 9999) (meta.number)
pa1 12 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2267 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1306.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2340.80 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 5.350 mag Magnitude of First Component (phot.mag;em.opt)
mag2 9.63 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeK5V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 417 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 326 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 1 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -1 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM+38 4349  Durchmusterung Number (Note 3)   (meta.id)
NotesNL P   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200021 06 53.95 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+38 44 57.9 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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