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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=21893
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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)
_RAJ200005 27 43.272 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+34 31 57.36 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195005 24 24.099 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+34 29 29.33 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon173.236972 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-00.195639 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)
21893recno 21893  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CCDM05277+3429  (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)
CompD   [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)
DiscBUP  Name of the pair (Discoverer and Number) (Note 3)   (meta.id)
dRAs 1.27 s Remainder of RA in second of time (J2000) (pos.eq.ra;arith.diff)
dDEs 177.3 arcsec Remainder of DE in arcsecond (J2000) (pos.eq.dec;arith.diff)
r_dRAs10   Source code for positions, in refpos.dat (meta.ref;pos.frame)
Year1879 yr Year of measured relative position (time.epoch;arith.diff)
theta 14 deg Position angle (degrees) (Note 4)   (pos.posAng)
rho 206.8 arcsec angular separation of Comp along theta (pos.angDistance)
Obs 2   for component A: number of components; other component: number of measurements (meta.number)
Vmag 8.6 mag magnitude (phot.mag;em.opt)
SpB0  Spectral type (src.spType)
pmNote*   [*@$#] Origin of the proper motion (Note 7)   (meta.ref;pos.pm;pos.frame)
pmRA 0 mas/yr annual proper motion in 0"001 (pos.pm;pos.eq.ra)
pmDE 4 mas/yr annual proper motion in 0"001 (pos.pm;pos.eq.dec)
DM+34 1049.0  First identification = DM (Harvard system) (Note 5)   (meta.id)
Name2+34 572.6  Second identification (Note 5)   (meta.id)
HD 35633  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)
IDS05210N3423D  Original Index (1976.5) or WDS (1994) identifier, based on equinox 1900 (meta.id)
HIC 25549   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)
RAJ2000081.9303 deg (i) Right Ascension J2000 (degrees) (Note 9)   (pos.eq.ra;meta.main)
DEJ2000+34.5326 deg (i) Declination J2000 (degrees) (Note 9)   (pos.eq.dec;meta.main)
  
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