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I/274/ccdm CCDM (Catalog of Components of Double & Multiple stars (Dommanget+ 2002)
The Catalogue of Components of Double and Multiple (105838 rows)
  recno=81325
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Note: the J2000 coordinates are not part of the original catalogue; their accuracy can be low, see the CooFlag column

ColumnValue  Explain   (UCD)
_RAJ200018 17 36.336 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-34 06 25.20 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 14 17.627 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-34 07 32.55 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon358.827651 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-08.470518 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
81325recno 81325  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CCDM18176-3406  (Catalogue of the Components of the Double and Multiple stars) identifier (Note 1)   (meta.id;meta.main)
rComp    [B-Z?] Reference component (blank if A) (Note 6)   (meta.code.multip)
CompA   [A-Z?] Concerned component (Note 6)   (meta.code.multip)
Note1    [*&] *=orbit in Dommanget's personal catalog &=orbit WDS 1994 (Note 2)   (meta.code)
Note2    [@%] @ = astrometric binary % = astrometric binary from Hipparcos (meta.code)
Disc   Name of the pair (Discoverer and Number) (Note 3)   (meta.id)
dRAs 0.33 s Remainder of RA in second of time (J2000) (pos.eq.ra;arith.diff)
dDEs -25.1 arcsec Remainder of DE in arcsecond (J2000) (pos.eq.dec;arith.diff)
r_dRAs41   Source code for positions, in refpos.dat (meta.ref;pos.frame)
Year  yr Year of measured relative position (time.epoch;arith.diff)
theta  deg Position angle (degrees) (Note 4)   (pos.posAng)
rho  arcsec angular separation of Comp along theta (pos.angDistance)
Obs 4   for component A: number of components; other component: number of measurements (meta.number)
Vmag  mag magnitude (phot.mag;em.opt)
SpB5  Spectral type (src.spType)
pmNote    [*@$#] Origin of the proper motion (Note 7)   (meta.ref;pos.pm;pos.frame)
pmRA -58 mas/yr annual proper motion in 0"001 (pos.pm;pos.eq.ra)
pmDE -47 mas/yr annual proper motion in 0"001 (pos.pm;pos.eq.dec)
DM-3412673.2  First identification = DM (Harvard system) (Note 5)   (meta.id)
Name2 209959.8  Second identification (Note 5)   (meta.id)
HD167647  HD identifier (meta.id)
m_HD    [/0-9 ?*] second HD (Example: 131843/4) (Note 8)   (meta.code.multip)
ADS/BDS   ADS (A) or BDS identifier (B) (meta.id)
m_ADS/BDS    [aN] suffix (a) to an inserted ADS identifier, or a note (N) exists in the Index. (meta.code.multip)
n_IDS    [*W] The * means that the Index identifier was built for a new component or system; the W indicates a WDS (1994) identifier (meta.note)
IDS18110S3408A  Original Index (1976.5) or WDS (1994) identifier, based on equinox 1900 (meta.id)
HIC 89637   Hipparcos Input Catalogue (Turon et al., Cat. I/196) identifier (also HIP I/239) (meta.id)

CooFlag0   [0/4] Indicator position computation (Note 9)   (meta.code.qual)
RAJ2000274.4014 deg (i) Right Ascension J2000 (degrees) (Note 9)   (pos.eq.ra;meta.main)
DEJ2000-34.1070 deg (i) Declination J2000 (degrees) (Note 9)   (pos.eq.dec;meta.main)
  
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