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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (152451 rows)
  recno=61974
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ColumnValue  Explain   (UCD)
_RAJ200009 55 02.3700 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-58 28 26.000 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195009 53 25.2028 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-58 14 11.163 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon281.5598630 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -3.1235742 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
61974recno 61974  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS09550-5828  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscRST 447  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11930 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 3  Number of Observations (up to 9999) (meta.number)
pa1139 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2138 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 1.3 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 1.80 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.700 mag Magnitude of First Component (phot.mag;em.opt)
mag214.60 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -1 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 9 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-57 2425  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)
RAJ200009 55 02.37 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-58 28 26.0 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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