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) (156614 rows)
  recno=60630
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ColumnValue  Explain   (UCD)
_RAJ200009 18 01.6100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+18 02 43.100 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195009 15 13.5333 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+18 15 23.212 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon211.6622500 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+40.2663384 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
60630recno 60630  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS09180+1803  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscOCC 739  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11988 yr Date of first satisfactory observation (time.epoch)
Obs21988 yr Date of last satisfactory observation (time.epoch)
Nobs 0  Number of Observations (up to 9999) (meta.number)
pa1 -1 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 -1 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.1 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.10 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.500 mag Magnitude of First Component (phot.mag;em.opt)
mag2 9.50 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeK  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 3 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -40 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+18 2160  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)
RAJ200009 18 01.61 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+18 02 43.1 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)

_RA.icrs09 18 01.61 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+18 02 43.1 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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