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) (155005 rows)
  recno=90826
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ColumnValue  Explain   (UCD)
_RAJ200015 21 55.0100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+28 06 53.000 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195015 19 49.0728 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+28 17 55.315 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon043.5401945 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+56.7869400 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
90826recno 90826  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS15219+2807  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscGIC 127  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAB  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11933 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 8  Number of Observations (up to 9999) (meta.number)
pa1255 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2255 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1207.3 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2212.70 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag111.340 mag Magnitude of First Component (phot.mag;em.opt)
mag215.15 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeK5  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -78 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-423 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -86 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2-424 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesNV   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200015 21 55.01 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+28 06 53.0 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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