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I/274
 CCDM (Catalog of Components of Double & Multiple stars (Dommanget+ 2002)
Post annotation
img(gal)
1.I/274/ccdmThe Catalogue of Components of Double and Multiple (105838 rows)
the J2000 coordinates are not part of the original catalogue; their accuracy can be low, see the CooFlag column

 
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) identifier (Note 1)   (meta.id;meta.main)
  rComp (char) [B-Z?] Reference component (blank if A) (Note 6)   (meta.code.multip)
  Comp (char) [A-Z?] Concerned component (Note 6)   (meta.code.multip)
  Note1 (char) [*&] *=orbit in Dommanget's personal catalog &=orbit WDS 1994 (Note 2)   (meta.code)
  Note2 (char) [@%] @ = astrometric binary % = astrometric binary from Hipparcos (meta.code)
  Disc (char) Name of the pair (Discoverer and Number) (Note 3)   (meta.id)
  dRAs s (n) Remainder of RA in second of time (J2000) (pos.eq.ra;arith.diff)
  dDEs arcsec (n) Remainder of DE in arcsecond (J2000) (pos.eq.dec;arith.diff)
  r_dRAs  (n) Source code for positions, in refpos.dat (meta.ref;pos.frame)
  Year yr (n) Year of measured relative position (time.epoch;arith.diff)

ALL cols
    
(n) indicates a possible blank or NULL column  
  theta (char) deg Position angle (degrees) (Note 4)   (pos.posAng)
  rho arcsec (n) angular separation of Comp along theta (pos.angDistance)
  Obs  (n) for component A: number of components; other component: number of measurements (meta.number)
  Vmag mag (n) magnitude (phot.mag;em.opt)
  Sp (char) Spectral type (src.spType)
  pmNote (char) [*@$#] Origin of the proper motion (Note 7)   (meta.ref;pos.pm;pos.frame)
  pmRA mas/yr (n) annual proper motion in 0"001 (pos.pm;pos.eq.ra)
  pmDE mas/yr (n) annual proper motion in 0"001 (pos.pm;pos.eq.dec)
  DM (char) First identification = DM (Harvard system) (Note 5)   (meta.id)
  Name2 (char) Second identification (Note 5)   (meta.id)
  HD (char) HD identifier (meta.id)
  m_HD (char) [/0-9 ?*] second HD (Example: 131843/4) (Note 8)   (meta.code.multip)
  ADS/BDS (char) ADS (A) or BDS identifier (B) (meta.id)
  m_ADS/BDS (char) [aN] suffix (a) to an inserted ADS identifier, or a note (N) exists in the Index. (meta.code.multip)
  n_IDS (char) [*W] The * means that the Index identifier was built for a new component or system; the W indicates a WDS (1994) identifier (meta.note)
  IDS (char) Original Index (1976.5) or WDS (1994) identifier, based on equinox 1900 (meta.id)
  HIC  (n) Hipparcos Input Catalogue (Turon et al., Cat. I/196) identifier (also HIP I/239) (meta.id)
  CooFlag   [0/4] Indicator position computation (Note 9)   (meta.code.qual)
  RAJ2000 deg Right Ascension J2000 (degrees) (Note 9)   (pos.eq.ra;meta.main)
  DEJ2000 deg Declination J2000 (degrees) (Note 9)   (pos.eq.dec;meta.main)

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