VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (155621 rows)
  recno=90827
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ColumnValue  Explain   (UCD)
_RAJ200015 17 28.5600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+26 47 14.300 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195015 15 20.3652 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+26 58 09.792 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon040.8565018 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+57.5726492 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
90827recno 90827  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS15175+2647  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscKPP3951  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs12004 yr Date of first satisfactory observation (time.epoch)
Obs22016 yr Date of last satisfactory observation (time.epoch)
Nobs 5  Number of Observations (up to 9999) (meta.number)
pa1 26 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 30 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 2.7 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 2.60 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag112.800 mag Magnitude of First Component (phot.mag;em.opt)
mag215.90 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 5 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 11 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 9 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 4 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesT   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200015 17 28.56 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+26 47 14.3 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)

_RA.icrs15 17 28.56 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+26 47 14.3 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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