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) (156557 rows)
  recno=60873
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ColumnValue  Explain   (UCD)
_RAJ200009 20 44.3700 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-31 45 36.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195009 18 37.2319 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-31 32 49.689 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon259.0700234 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+12.6395552 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
60873recno 60873  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS09207-3146  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscHJ 4200  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11836 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 26  Number of Observations (up to 9999) (meta.number)
pa1 72 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 75 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 2.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 3.00 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 7.360 mag Magnitude of First Component (phot.mag;em.opt)
mag2 7.93 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeB9.5V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -20 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 3 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -20 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 3 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM-31 7162  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 20 44.37 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-31 45 36.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)

_RA.icrs09 20 44.37 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-31 45 36.5 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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