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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (150803 rows)
  recno=90656
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ColumnValue  Explain   (UCD)
_RAJ200015 53 36.7200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-25 19 37.700 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195015 50 36.2579 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-25 10 45.717 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon346.8768186 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+21.6133812 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
90656recno 90656  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS15536-2520  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscBU 36  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAB  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11855 yr Date of first satisfactory observation (time.epoch)
Obs22016 yr Date of last satisfactory observation (time.epoch)
Nobs 38  Number of Observations (up to 9999) (meta.number)
pa1278 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2268 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 2.6 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 2.40 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 4.69 mag Magnitude of First Component (phot.mag;em.opt)
mag2 6.98 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeB2.5Vn  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -14 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -24 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-2412352  Durchmusterung Number (Note 3)   (meta.id)
NotesN V   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200015 53 36.72 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-25 19 37.7 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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