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=110962
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ColumnValue  Explain   (UCD)
_RAJ200018 43 46.8100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+25 16 05.900 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 41 43.9921 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+25 12 59.720 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon054.9841136 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+12.7987536 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
110962recno 110962  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS18438+2516  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSLE 506  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11897 yr Date of first satisfactory observation (time.epoch)
Obs22016 yr Date of last satisfactory observation (time.epoch)
Nobs 14  Number of Observations (up to 9999) (meta.number)
pa1144 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2143 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 12.6 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 13.00 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.200 mag Magnitude of First Component (phot.mag;em.opt)
mag212.00 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -3 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 5 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -2 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 6 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   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)
RAJ200018 43 46.81 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+25 16 05.9 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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