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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154252 rows)
  recno=17506
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ColumnValue  Explain   (UCD)
_RAJ200003 30 13.7100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+77 17 35.700 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 23 48.7967 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+77 07 16.307 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon131.3851745 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+17.1090440 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
17506recno 17506  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS03302+7718  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscFOX 130  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompBC  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11991 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 2  Number of Observations (up to 9999) (meta.number)
pa1279 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2279 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 66.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 63.00 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag110.840 mag Magnitude of First Component (phot.mag;em.opt)
mag211.48 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 7 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -16 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 8 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -16 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesV   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200003 30 13.71 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+77 17 35.7 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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