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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2014)
The Washington Double Star Catalog (main part) (145980 rows)
  recno=41779
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ColumnValue  Explain   (UCD)
_RAJ200007 12 01.0600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+22 16 44.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195007 09 01.0327 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+22 21 49.697 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon194.9252033 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+14.2837137 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
41779recno 41779  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS07120+2217  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSTF1035  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11825 yr Date of first satisfactory observation (time.epoch)
Obs22018 yr Date of last satisfactory observation (time.epoch)
Nobs 69  Number of Observations (up to 9999) (meta.number)
pa1 40 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 40 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 9.4 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 8.70 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 8.09 mag Magnitude of First Component (phot.mag;em.opt)
mag2 8.38 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeF7IV  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 41 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -34 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 42 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -34 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM+22 1609  Durchmusterung Number (Note 3)   (meta.id)
NotesNV   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!] indicates a position derived from WDS name (meta.note)
RAJ200007 12 01.06 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+22 16 44.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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