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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154541 rows)
  recno=130978
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ColumnValue  Explain   (UCD)
_RAJ200020 28 11.9600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+44 58 21.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 26 31.4633 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+44 48 21.339 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon082.6417115 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat +3.6854125 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
130978recno 130978  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS20282+4458  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscES 661  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11892 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)
pa1162 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2156 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 7.6 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 6.90 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.080 mag Magnitude of First Component (phot.mag;em.opt)
mag211.40 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeK0  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -5 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  mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2  mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM+44 3474  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)
RAJ200020 28 11.96 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+44 58 21.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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