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=90824
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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)
90824recno 90824  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)
CompAa,Ab  Components when more than 2 (Note 1)   (meta.code.multip)
Obs12010 yr Date of first satisfactory observation (time.epoch)
Obs22010 yr Date of last satisfactory observation (time.epoch)
Nobs 1  Number of Observations (up to 9999) (meta.number)
pa1 25 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 25 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.1 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.10 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 3.600 mag Magnitude of First Component (phot.mag;em.opt)
mag2 5.10 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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