VizieR

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VizieR

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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154792 rows)
  recno=4564
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ColumnValue  Explain   (UCD)
_RAJ200000 49 16.4400 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+33 15 38.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 46 33.7709 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+32 59 17.638 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon122.4116184 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-29.6087849 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
4564recno 4564  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS00493+3316  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscKPP3432  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs12015 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 1  Number of Observations (up to 9999) (meta.number)
pa1 47 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 47 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 1.1 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 1.10 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag112.700 mag Magnitude of First Component (phot.mag;em.opt)
mag213.70 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -35 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 -35 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 10 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesT   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200000 49 16.44 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+33 15 38.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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