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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=98552
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ColumnValue  Explain   (UCD)
_RAJ200017 10 18.1100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+28 55 59.600 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195017 08 20.3969 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+28 59 38.831 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon051.1281240 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+33.5919491 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
98552recno 98552  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS17103+2856  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscDAM 942  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 6  Number of Observations (up to 9999) (meta.number)
pa1282 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2279 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 5.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 4.90 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag113.500 mag Magnitude of First Component (phot.mag;em.opt)
mag214.90 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 3 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 10 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    [!P] indicates a position derived from WDS name (meta.note)
RAJ200017 10 18.11 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+28 55 59.6 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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