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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=124214
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ColumnValue  Explain   (UCD)
_RAJ200019 57 49.5400 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+38 43 37.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 56 02.4363 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+38 35 29.071 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon074.3004639 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat +4.9880842 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
124214recno 124214  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19579+3843  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscTOB 163  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAC  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11929 yr Date of first satisfactory observation (time.epoch)
Obs22017 yr Date of last satisfactory observation (time.epoch)
Nobs 6  Number of Observations (up to 9999) (meta.number)
pa1 76 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 72 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 24.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 23.50 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.700 mag Magnitude of First Component (phot.mag;em.opt)
mag211.90 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -9 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -14 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -24 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 2 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)
RAJ200019 57 49.54 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+38 43 37.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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