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=90827
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ColumnValue  Explain   (UCD)
_RAJ200015 22 40.8900 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-44 41 22.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195015 19 16.5623 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-44 30 40.436 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon329.2279924 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+10.3227578 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
90827recno 90827  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS15227-4441  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscRIZ 13  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAD  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11999 yr Date of first satisfactory observation (time.epoch)
Obs21999 yr Date of last satisfactory observation (time.epoch)
Nobs 1  Number of Observations (up to 9999) (meta.number)
pa1190 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2190 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 40.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 40.00 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 3.370 mag Magnitude of First Component (phot.mag;em.opt)
mag216.20 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeB2IV-V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -23 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -19 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   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200015 22 40.89 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-44 41 22.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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