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) (154792 rows)
  recno=81813
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ColumnValue  Explain   (UCD)
_RAJ200013 28 17.7600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+30 02 46.000 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195013 25 59.1138 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+30 18 25.620 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon054.9298872 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+81.4022140 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
81813recno 81813  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS13284+3005  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscLDS1390  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11950 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 20  Number of Observations (up to 9999) (meta.number)
pa1 52 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 51 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 52.2 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 52.50 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.090 mag Magnitude of First Component (phot.mag;em.opt)
mag220.02 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeK7+M7  Spectral Type (Primary/Secondary) (src.spType)
pmRA1-181 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-183 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2-180 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2-180 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM+30 2400  Durchmusterung Number (Note 3)   (meta.id)
NotesV   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200013 28 17.76 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+30 02 46.0 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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