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=21719
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ColumnValue  Explain   (UCD)
_RAJ200004 21 57.4000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+28 26 35.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 18 50.8781 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+28 19 35.495 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon169.2549137 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-14.9398039 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
21719recno 21719  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS04220+2826  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscITO 22  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAC  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11997 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 6  Number of Observations (up to 9999) (meta.number)
pa1121 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2121 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 10.8 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 10.60 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 6.130 mag Magnitude of First Component (phot.mag;em.opt)
mag213.54 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeF8Ve  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 9 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -32 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   Durchmusterung Number (Note 3)   (meta.id)
NotesN WK   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200004 21 57.40 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+28 26 35.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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