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=57624
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ColumnValue  Explain   (UCD)
_RAJ200008 54 22.2700 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-49 39 50.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 52 45.5642 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-49 28 22.152 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon269.0729370 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat -3.0488978 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
57624recno 57624  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS08544-4940  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscTDS 501  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11991 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 2  Number of Observations (up to 9999) (meta.number)
pa1246 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2262 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 1.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.60 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.680 mag Magnitude of First Component (phot.mag;em.opt)
mag212.05 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -7 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 0 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -7 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 0 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)
RAJ200008 54 22.27 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-49 39 50.8 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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