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=4565
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ColumnValue  Explain   (UCD)
_RAJ200000 49 21.1900 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+24 03 08.900 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 46 41.1910 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+23 46 49.028 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon122.3210785 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-38.8168039 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
4565recno 4565  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS00493+2403  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscPOU 66  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11898 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 11  Number of Observations (up to 9999) (meta.number)
pa1213 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2228 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 11.3 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 13.10 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag112.210 mag Magnitude of First Component (phot.mag;em.opt)
mag213.30 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 21 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -7 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -13 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 6 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 49 21.19 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+24 03 08.9 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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