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=23226
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ColumnValue  Explain   (UCD)
_RAJ200004 38 53.5400 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+21 47 54.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 35 54.1150 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+21 42 10.901 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon177.0749490 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-16.4025982 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
23226recno 23226  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS04390+2149  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscJNN 262  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAC  Components when more than 2 (Note 1)   (meta.code.multip)
Obs12012 yr Date of first satisfactory observation (time.epoch)
Obs22016 yr Date of last satisfactory observation (time.epoch)
Nobs 4  Number of Observations (up to 9999) (meta.number)
pa1126 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2125 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 1.2 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 1.20 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag113.490 mag Magnitude of First Component (phot.mag;em.opt)
mag214.00 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeM3.5  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 206 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-199 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)
RAJ200004 38 53.54 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+21 47 54.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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