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=112857
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ColumnValue  Explain   (UCD)
_RAJ200018 55 35.9900 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-34 38 40.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 52 17.2346 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-34 42 34.665 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon001.6823642 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-15.8139881 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
112857recno 112857  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS18556-3439  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscRSS 496  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11977 yr Date of first satisfactory observation (time.epoch)
Obs22001 yr Date of last satisfactory observation (time.epoch)
Nobs 4  Number of Observations (up to 9999) (meta.number)
pa1 39 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 39 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 9.5 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 8.50 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.090 mag Magnitude of First Component (phot.mag;em.opt)
mag213.20 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeK0  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 4 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 8 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -15 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-3413225  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)
RAJ200018 55 35.99 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-34 38 40.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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