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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (153007 rows)
  recno=11460
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ColumnValue  Explain   (UCD)
_RAJ200002 12 14.0700 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+44 39 36.200 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 09 04.9008 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+44 25 32.712 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon137.7256278 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-15.8783455 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
11460recno 11460  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS02122+4440  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscHJ 2117  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAB  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11831 yr Date of first satisfactory observation (time.epoch)
Obs22016 yr Date of last satisfactory observation (time.epoch)
Nobs 23  Number of Observations (up to 9999) (meta.number)
pa1 29 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 35 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 5.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 8.70 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.230 mag Magnitude of First Component (phot.mag;em.opt)
mag211.30 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeG5V+G5V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -15 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -1 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -12 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 0 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesN   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200002 12 14.07 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+44 39 36.2 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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