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) (155709 rows)
  recno=106640
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ColumnValue  Explain   (UCD)
_RAJ200018 06 37.2800 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+50 00 38.300 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 05 23.1130 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+50 00 12.083 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon077.6827590 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+27.4187684 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
106640recno 106640  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS18066+5001  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscSTF2290  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAB  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11832 yr Date of first satisfactory observation (time.epoch)
Obs22019 yr Date of last satisfactory observation (time.epoch)
Nobs 19  Number of Observations (up to 9999) (meta.number)
pa1351 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2351 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 3.9 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 4.00 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.230 mag Magnitude of First Component (phot.mag;em.opt)
mag211.20 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeA5  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -1 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -2 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)
Notes    [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200018 06 37.28 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+50 00 38.3 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)

_RA.icrs18 06 37.28 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+50 00 38.3 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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