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=2534
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ColumnValue  Explain   (UCD)
_RAJ200000 27 49.2600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+73 59 16.000 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 24 49.1022 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+73 42 40.518 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon121.2744125 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+11.1920821 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
2534recno 2534  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS00278+7359  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscHJ 1971  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11897 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 15  Number of Observations (up to 9999) (meta.number)
pa1182 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2180 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 10.7 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 10.70 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag112.300 mag Magnitude of First Component (phot.mag;em.opt)
mag212.24 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 -4 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -2 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)
RAJ200000 27 49.26 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+73 59 16.0 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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