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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154252 rows)
  recno=89999
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ColumnValue  Explain   (UCD)
_RAJ200015 17 30.8500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-58 48 04.300 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195015 13 34.8649 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-58 36 58.370 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon320.8899930 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -1.1192138 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
89999recno 89999  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS15175-5848  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSML 1  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)
Obs21999 yr Date of last satisfactory observation (time.epoch)
Nobs 1  Number of Observations (up to 9999) (meta.number)
pa1199 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2199 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1217.7 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2217.70 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 3.880 mag Magnitude of First Component (phot.mag;em.opt)
mag213.21 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeA3V+L1.0  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -97 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-134 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -97 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2-133 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesN K   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200015 17 30.85 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-58 48 04.3 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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