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) (154684 rows)
  recno=4564
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ColumnValue  Explain   (UCD)
_RAJ200000 49 16.2100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-19 00 25.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 46 46.9868 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-19 16 48.718 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon119.3091605 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-81.8636629 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)

WDS00493-1900  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSLE 123  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11975 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 7  Number of Observations (up to 9999) (meta.number)
pa1 85 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 90 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 25.3 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 21.60 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.880 mag Magnitude of First Component (phot.mag;em.opt)
mag212.10 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeF6V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 82 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 49 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -2 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -3 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM-19 127  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)
RAJ200000 49 16.21 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-19 00 25.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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