VizieR

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VizieR

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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154915 rows)
  recno=116886
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ColumnValue  Explain   (UCD)
_RAJ200019 20 13.3200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+49 54 25.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 18 53.9823 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+49 48 44.832 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon081.2509956 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+16.0830171 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
116886recno 116886  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19202+4954  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscDEA 458  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs12000 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)
pa1255 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2255 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 35.1 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 35.10 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag110.700 mag Magnitude of First Component (phot.mag;em.opt)
mag216.90 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 10 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 0 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 11 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 3 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesV   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200019 20 13.32 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+49 54 25.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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