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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154448 rows)
  recno=143483
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ColumnValue  Explain   (UCD)
_RAJ200022 05 05.2900 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+42 24 43.200 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195022 03 00.9914 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+42 10 06.750 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon093.0264453 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-10.5984846 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
143483recno 143483  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS22051+4225  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscTDT3328  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11991 yr Date of first satisfactory observation (time.epoch)
Obs21991 yr Date of last satisfactory observation (time.epoch)
Nobs 1  Number of Observations (up to 9999) (meta.number)
pa1 13 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 13 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 1.3 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 1.30 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag110.540 mag Magnitude of First Component (phot.mag;em.opt)
mag212.82 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -6 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -2 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -6 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -2 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   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)
RAJ200022 05 05.29 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+42 24 43.2 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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