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=98801
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ColumnValue  Explain   (UCD)
_RAJ200016 54 42.9800 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+46 54 33.600 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 53 17.9787 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+46 59 07.326 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon072.7947050 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+39.0080682 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
98801recno 98801  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS16547+4655  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscFMR 128  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11998 yr Date of first satisfactory observation (time.epoch)
Obs22016 yr Date of last satisfactory observation (time.epoch)
Nobs 10  Number of Observations (up to 9999) (meta.number)
pa1222 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2222 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 9.2 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 9.10 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag114.600 mag Magnitude of First Component (phot.mag;em.opt)
mag216.20 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeM2.5V+M3V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -44 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 215 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -44 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 215 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   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)
RAJ200016 54 42.98 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+46 54 33.6 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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