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) (155005 rows)
  recno=153889
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ColumnValue  Explain   (UCD)
_RAJ200023 47 03.1500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-18 49 02.900 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195023 44 27.7584 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-19 05 43.103 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon058.8655441 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-73.0330179 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
153889recno 153889  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS23471-1849  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscCVR1020  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11998 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 6  Number of Observations (up to 9999) (meta.number)
pa1144 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2144 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 24.6 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 24.80 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag117.400 mag Magnitude of First Component (phot.mag;em.opt)
mag219.30 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeM3+M3  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 57 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -5 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 57 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -6 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesV R   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200023 47 03.15 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-18 49 02.9 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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