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 CCDM (Components of Double and Multiple stars) (Dommanget+ 1994) gcoral3f This catalogue is obsoleted by I/274
Post annotation
1.I/211/catalogThe Catalogue (74861 rows)
gred Note that the J2000 coordinates em(courtesy: M. Chareton) are not part of the original catalogue; their accuracy can be low, see the CooFlag column The positions of CCDM 23276+1638 were corrected on 26-Apr-1999

Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  CCDM (char) (Catalogue of the Components of the Double and Multiple stars) number (Note 1)   (;meta.main)
  rComp (char) [B-Z?] Reference component (blank if A) (Note)   (meta.note)
  Comp (char) [A-Z?] Concerned component (Note)   (meta.note)
  Note1 (char) [*] *=orbit in Dommanget's personal cat. (Note 2)   (meta.note)
  Note2 (char) [@] @ = astrometric binary (meta.note)
  Disc (char) Name of the pair (Discoverer and Number) (
  dRAs s (n) Remainder of RA in second of time; (pos.eq.ra;arith.diff)
  dDEs arcsec (n) Remainder of DE in arcsecond; (pos.eq.dec;arith.diff)
  r_dRAs  (n) Source code for positions (Note 3)   (meta.ref)
  Year yr (n) Year of measured relative position (time.epoch)

ALL cols
(n) indicates a possible blank or NULL column  
  theta deg (n) Position angle (degrees) (Note 4)   (pos.posAng)
  rho arcsec (n) angular separation of Comp along theta (pos.angDistance)
  Obs  (n) for A component: number of components; other component: number of measurements (meta.number)
  Vmag mag (n) magnitude (phot.mag;em.opt.V)
  Sp (char) spectrum (src.spType)
  pmNote (char) [*@$] Origin of the proper motion (Note)   (meta.note)
  pmRA mas/yr (n) annual proper motion in 0"001 (;pos.eq.ra)
  pmDE mas/yr (n) annual proper motion in 0"001 (;pos.eq.dec)
  DM (char) First identification = DM (Harvard system) (Note 5)   (
  Name2 (char) Second identification (Note 5)   (
  HD (char) HD designation (
  m_HD (char) [/0-9 ] second HD (Example: 131843/4) (meta.code.multip)
  ADS/BDS (char) ADS number (A) or BDS number (B) (
  m_ADS/BDS (char) [a] suffix (a) to an inserted ADS number (meta.code.multip)
  n_IDS (char) [*] The * means that the Index number is built for new component or system; (meta.note)
  IDS (char) Uncorrected Index designation (1976.5) (equinox 1900) and identification letter; (
  HIC  (n) Hipparcos Input Catalogue (Turon et al.) number (
  RAJ2000 "h:m:s" Right Ascension J2000 (hours) (Note 6)   (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" Declination J2000 (degrees) (Note 6)   (pos.eq.dec;meta.main)
  CooFlag   [0/4] Indicator position computation (Note 6)   (meta.code)

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