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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (152451 rows)
  recno=117293
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ColumnValue  Explain   (UCD)
_RAJ200019 30 19.6800 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+04 19 13.900 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 27 50.4491 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+04 12 54.132 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon041.2578361 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -6.6335733 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
117293recno 117293  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19303+0419  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscBAL2943  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11910 yr Date of first satisfactory observation (time.epoch)
Obs22016 yr Date of last satisfactory observation (time.epoch)
Nobs 13  Number of Observations (up to 9999) (meta.number)
pa1288 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2288 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 10.3 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 11.80 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.500 mag Magnitude of First Component (phot.mag;em.opt)
mag211.10 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeG5  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 19 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -2 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 0 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+04 4128  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 30 19.68 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+04 19 13.9 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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