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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=132541
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ColumnValue  Explain   (UCD)
_RAJ200020 35 45.8200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-47 46 34.200 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 32 14.1150 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-47 56 57.351 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon351.9515370 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-36.9143103 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
132541recno 132541  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS20358-4747  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscI 665  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11909 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 10  Number of Observations (up to 9999) (meta.number)
pa1300 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2304 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 2.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 2.90 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag110.290 mag Magnitude of First Component (phot.mag;em.opt)
mag211.19 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeF7V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 24 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -18 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-4813617  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 35 45.82 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-47 46 34.2 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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