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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (145770 rows)
  recno=51606
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ColumnValue  Explain   (UCD)
_RAJ200008 30 17.9200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+29 02 46.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 27 14.6210 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+29 12 51.818 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon194.4505519 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+33.1407048 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
51606recno 51606  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS08303+2903  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSKF 657  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs12002 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 2  Number of Observations (up to 9999) (meta.number)
pa1 44 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 34 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 1.3 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 1.40 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag116.50 mag Magnitude of First Component (phot.mag;em.opt)
mag216.80 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeM0  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -26 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 7 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)
Notes    [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!] indicates a position derived from WDS name (meta.note)
RAJ200008 30 17.92 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+29 02 46.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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