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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (150551 rows)
  recno=54640
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ColumnValue  Explain   (UCD)
_RAJ200008 44 41.1000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+18 09 15.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 41 50.7516 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+18 20 21.983 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon208.0259293 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+32.8987741 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
54640recno 54640  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS08447+1809  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscHJ 457  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAB  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11827 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 14  Number of Observations (up to 9999) (meta.number)
pa1160 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 72 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 25.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 40.60 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 3.94 mag Magnitude of First Component (phot.mag;em.opt)
mag212.20 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeK0III  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -18 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-229 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -15 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)
NotesNL U   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200008 44 41.10 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+18 09 15.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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