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=112858
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ColumnValue  Explain   (UCD)
_RAJ200018 56 13.1800 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+04 12 12.900 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 53 44.0031 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+04 08 13.402 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon037.2177668 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat +0.8540940 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
112858recno 112858  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS18562+0412  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSTF2417  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAC  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11908 yr Date of first satisfactory observation (time.epoch)
Obs22007 yr Date of last satisfactory observation (time.epoch)
Nobs 18  Number of Observations (up to 9999) (meta.number)
pa1 58 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 58 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1432.1 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2421.00 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 4.590 mag Magnitude of First Component (phot.mag;em.opt)
mag2 6.78 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeA5V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 38 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 27 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -1 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -84 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesNS   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200018 56 13.18 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+04 12 12.9 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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