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) (155159 rows)
  recno=154888
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ColumnValue  Explain   (UCD)
_RAJ200023 57 08.2200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+28 53 46.900 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195023 54 35.1324 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+28 37 05.095 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon108.8319724 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-32.4842958 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
154888recno 154888  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS23571+2854  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscPTF 28  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs12012 yr Date of first satisfactory observation (time.epoch)
Obs22012 yr Date of last satisfactory observation (time.epoch)
Nobs 1  Number of Observations (up to 9999) (meta.number)
pa1321 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2321 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 2.8 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 2.80 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag116.100 mag Magnitude of First Component (phot.mag;em.opt)
mag218.40 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -4 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -3 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2  mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2  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)
RAJ200023 57 08.22 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+28 53 46.9 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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