VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
I/209A
  Catalogue of 2700 double stars (Couteau, 1995)
Post annotation
img(gal)
1.I/209A/main(c)The main part of the catalogue (2714 doubles) (2714 rows)
2.I/209A/notesRemarks about doubles flagged with "E", "C", "R" or "O" in main file (1119 rows)
3.I/209A/obsObservations of the double stars (8130 rows)
4.I/209A/seq(c)Cross reference for (COU, BD, SAO, HD, AGK3, HIC, ...) (2700 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (1+2+3)COU (char) (i) designation (number 1 to 2700, followed by components to avoid ambiguities); two stars have other names, indicated in col. 5-13. (meta.id;phys.atmol.configuration;meta.main)
  (1)mA mag (n) Magnitude of the brighter component (99.9 when non existent) (phot.mag)
  (1)mB mag (n) Magnitude of the fainter component (99.9 when non existent) (phot.mag)
  (1)Eflag (char) a "E" indicates that the "ETOILE" field in the original version generated a remark in the notes file (meta.code)
  (1)RAB2000 "h:m:s" (i) right ascension B2000 (pos.eq.ra;meta.main)
  (1)DEB2000 "d:m:s" (i) declination B2000 (pos.eq.dec;meta.main)
  (1)Oname (char) Other designation (Note 1)   (meta.id;meta.main)
  (1)mag mag (n) magnitude from catalogue (phot.mag)
  (1)sp (char) spectral type from catalogue (src.spType)
  (1)Cflag (char) [C] a "C" indicates that the "CATALMGN" field in the original catalogue generated a remark in the notes file (meta.code)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)pmRA arcsec/a (n) proper motion along RA axis, in "/yr (pos.pm;pos.eq.ra)
  (1)pmDE arcsec/a (n) proper motion in declination, in "/yr (pos.pm;pos.eq.dec)
  (1)Ref(PM) (char) source of proper motion (meta.bib)
  (1)Rem (char) [R] a "R" refers to a note from the "REMARQ" field in the printed version (meta.note)
  (1)Oflag (char) [O] 'O' when orbits have been computed (parameters in notes file) (meta.code)
  (1)Nobs  number of observations in the "obs" file (meta.number)
  (2)Flag (char) [ECRO] Flag indicating the field in the printed version that provided the remark : E refers to the "ETOILE" field, C refers to the "CATALMGN" field, R refers to the "REMARQ" field, O refers to the "ORBITE" field, (meta.code.error)
  (2)Seq  sequential number of the records related to every star (meta.record)
  (2+4)Text (char) Text of remark (meta.note)
  (3)Obs  Observation sequence number (meta.id)
  (3)Date a Observation date (time.epoch;obs)
  (3)theta deg (n) Position angle (theta, in degrees) (999.99 when non existent) (pos.posAng)
  (3)u_theta (char) ":" when theta is uncertain (meta.code.error;pos.posAng)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)l_rho (char) "<" refers to the separation (meta.code.error)
  (3)rho arcsec (n) Separation (rho, in arcsec) (pos.angDistance;src.orbital)
  (3)u_rho (char) ":" when the separation is unaccurate (meta.code.error)
  (3)Aper1  (n) Instrument aperture (cm or inches depending on byte 50) (phys.angSize;instr.fov)
  (3)Aper2  (n) aperture of the 2nd instrument (phys.angSize;instr.fov)
  (3)inch (char) """ when the instrument size is given in inches (default: cm) (meta.unit)
  (3)Tflag (char) "T" when the instrument is a telescope (default: refractor) "N" when the instrument is a Teles. Newton (meta.code)
  (3)iflag (char) [iops] flag defined as follows: "i" for an interferometric measurement "o" for occultation "p" for photographic "s" for spectrograph (meta.code)
  (3)Nights  (n) Number of nights (meta.number)
  (3)comma (char) "," when the number before refers only to theta (meta.code)
  (3)Nrho  (n) Number of nights for rho (when different) (meta.number)
  (3)Observer (char) Name of observer (when abbreviated, see table below) and comments (Note 1)   (meta.id;obs.observer)
  (4)COU  COU designation (number 1 to 2700) (meta.id;meta.main)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)RA2000 "h:m:s" (n)(i) right ascension eq.B2000 (pos.eq.ra;meta.main)
  (4)BD (char) number (zone in bytes 14-16) (meta.id)
  (4)SAO  (n) number (SAO) (meta.id)
  (4)AGK3 (char) number (zone in bytes 30-32) (meta.id)
  (4)HD  (n) number (HD) (meta.id)
  (4)HIC  (n) Hipparcos Input Catalogue number (redundant with the `notes' file) (meta.id)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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