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=48634
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ColumnValue  Explain   (UCD)
_RAJ200007 39 00.2800 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-21 53 34.600 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195007 36 50.9287 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-21 46 40.709 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon237.7057697 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat +0.0081768 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
48634recno 48634  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS07390-2154  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscARA1375  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAB  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11920 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)
pa1181 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2182 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 10.7 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 13.60 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.230 mag Magnitude of First Component (phot.mag;em.opt)
mag213.49 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -5 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 29 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -7 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -2 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesW   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200007 39 00.28 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-21 53 34.6 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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