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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (153002 rows)
  recno=147398
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ColumnValue  Explain   (UCD)
_RAJ200022 57 27.9800 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+20 46 07.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195022 55 00.3824 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+20 30 01.174 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon090.0626321 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-34.7272576 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
147398recno 147398  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS22575+2046  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscRBR 21  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs12001 yr Date of first satisfactory observation (time.epoch)
Obs22001 yr Date of last satisfactory observation (time.epoch)
Nobs 2  Number of Observations (up to 9999) (meta.number)
pa1155 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2245 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 2.9 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 2.90 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 6.800 mag Magnitude of First Component (phot.mag;em.opt)
mag216.80 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeG2.5IVa  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 207 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 60 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+19 5036  Durchmusterung Number (Note 3)   (meta.id)
NotesN R   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200022 57 27.98 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+20 46 07.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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