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=118555
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ColumnValue  Explain   (UCD)
_RAJ200019 25 43.7300 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-74 40 37.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 19 20.6460 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-74 46 27.809 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon320.2042245 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-28.3484445 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
118555recno 118555  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS19257-7441  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscUC 3931  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11998 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 5  Number of Observations (up to 9999) (meta.number)
pa1 87 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2 87 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 61.5 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 60.90 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag112.200 mag Magnitude of First Component (phot.mag;em.opt)
mag216.30 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 21 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -59 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 41 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -87 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesV   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200019 25 43.73 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-74 40 37.5 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)

_RA.icrs19 25 43.73 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-74 40 37.5 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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