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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (149076 rows)
  recno=15633
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ColumnValue  Explain   (UCD)
_RAJ200003 07 21.9900 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+40 04 44.900 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 04 07.6846 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+39 53 14.402 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon149.3111246 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-15.7293409 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
15633recno 15633  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS03074+4004  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscMLB1027  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11937 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 8  Number of Observations (up to 9999) (meta.number)
pa1 13 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 15 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 5.6 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 7.40 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.73 mag Magnitude of First Component (phot.mag;em.opt)
mag213.20 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -9 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -1 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -6 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 7 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   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)
RAJ200003 07 21.99 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+40 04 44.9 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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