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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=117287
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ColumnValue  Explain   (UCD)
_RAJ200019 30 15.0000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+24 36 06.200 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 28 09.4269 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+24 29 45.923 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon059.1006007 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat +3.0637148 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
117287recno 117287  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19303+2437  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscPOU3866  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11906 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 5  Number of Observations (up to 9999) (meta.number)
pa1280 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2276 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 3.6 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 4.10 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag112.000 mag Magnitude of First Component (phot.mag;em.opt)
mag213.50 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 7 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -1 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   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 15.00 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+24 36 06.2 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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