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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154250 rows)
  recno=13005
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ColumnValue  Explain   (UCD)
_RAJ200002 31 42.6100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+02 44 20.700 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 29 06.7989 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+02 31 05.738 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon165.8531032 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-51.5770202 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
13005recno 13005  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS02317+0244  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscA 2333  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11911 yr Date of first satisfactory observation (time.epoch)
Obs22019 yr Date of last satisfactory observation (time.epoch)
Nobs 18  Number of Observations (up to 9999) (meta.number)
pa1190 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2218 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.4 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.30 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.090 mag Magnitude of First Component (phot.mag;em.opt)
mag210.05 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeF2  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 57 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 18 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 57 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 18 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM+02 394  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)
RAJ200002 31 42.61 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+02 44 20.7 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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