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) (154915 rows)
  recno=98804
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ColumnValue  Explain   (UCD)
_RAJ200016 54 39.9700 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+45 18 10.300 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 53 11.0117 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+45 22 55.035 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon070.7272275 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+39.0097586 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
98804recno 98804  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS16547+4518  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscKZA 121  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAD  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11984 yr Date of first satisfactory observation (time.epoch)
Obs22018 yr Date of last satisfactory observation (time.epoch)
Nobs 10  Number of Observations (up to 9999) (meta.number)
pa1221 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2220 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1109.5 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2108.90 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.750 mag Magnitude of First Component (phot.mag;em.opt)
mag213.20 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 0 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 -18 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 28 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)
RAJ200016 54 39.97 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+45 18 10.3 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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