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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=132600
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ColumnValue  Explain   (UCD)
_RAJ200020 36 07.7600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+16 35 11.000 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 33 49.4017 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+16 24 43.261 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon060.3826920 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-14.2443058 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
132600recno 132600  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS20363+1636  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscJ 3095  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11944 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)
pa1180 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2184 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 5.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 7.70 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag112.500 mag Magnitude of First Component (phot.mag;em.opt)
mag212.80 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 4 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 -2 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -4 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)
RAJ200020 36 07.76 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+16 35 11.0 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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