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) (154792 rows)
  recno=5274
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ColumnValue  Explain   (UCD)
_RAJ200000 56 47.2200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+56 48 55.000 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 53 49.0940 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+56 32 42.454 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon123.6679104 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -6.0488267 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
5274recno 5274  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS00568+5649  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscTDS1678  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11991 yr Date of first satisfactory observation (time.epoch)
Obs21991 yr Date of last satisfactory observation (time.epoch)
Nobs 1  Number of Observations (up to 9999) (meta.number)
pa1144 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2144 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.6 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.60 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.260 mag Magnitude of First Component (phot.mag;em.opt)
mag211.53 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 13 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -8 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 13 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -8 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)
RAJ200000 56 47.22 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+56 48 55.0 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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