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) (154915 rows)
  recno=92995
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ColumnValue  Explain   (UCD)
_RAJ200015 49 57.6800 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-03 55 15.700 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195015 47 20.2378 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-03 46 11.735 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon004.1771103 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+36.9196710 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
92995recno 92995  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS15500-0355  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscRST4553  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAC  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11996 yr Date of first satisfactory observation (time.epoch)
Obs21999 yr Date of last satisfactory observation (time.epoch)
Nobs 2  Number of Observations (up to 9999) (meta.number)
pa1314 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2310 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 8.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 8.10 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 6.900 mag Magnitude of First Component (phot.mag;em.opt)
mag213.00 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeB9  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -32 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -10 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)
NotesN   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200015 49 57.68 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-03 55 15.7 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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