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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154041 rows)
  recno=113197
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ColumnValue  Explain   (UCD)
_RAJ200019 02 51.3200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+49 29 26.100 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 01 32.8323 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+49 24 57.905 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon079.7542612 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+18.5357150 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
113197recno 113197  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19029+4930  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscCOU2626  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11989 yr Date of first satisfactory observation (time.epoch)
Obs22007 yr Date of last satisfactory observation (time.epoch)
Nobs 2  Number of Observations (up to 9999) (meta.number)
pa1270 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 85 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.7 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.90 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag110.000 mag Magnitude of First Component (phot.mag;em.opt)
mag212.40 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -12 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  mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2  mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM+49 2921  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 02 51.32 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+49 29 26.1 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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