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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=77600
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ColumnValue  Explain   (UCD)
_RAJ200012 53 42.4200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-57 39 23.100 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195012 50 45.2042 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-57 23 10.542 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon303.2366617 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat +5.2139894 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
77600recno 77600  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS12537-5739  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscFIN 66  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11927 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 19  Number of Observations (up to 9999) (meta.number)
pa1274 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2270 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 1.2 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 1.70 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 8.520 mag Magnitude of First Component (phot.mag;em.opt)
mag2 9.26 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeF7V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -42 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 81 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -42 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 81 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM-56 5482  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)
RAJ200012 53 42.42 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-57 39 23.1 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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