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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=52308
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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)
_RAJ200010 30 25.320 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+55 59 56.76 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195010 27 14.093 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+56 15 22.26 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon154.292856 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+51.668481 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)
52308recno 52308  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CCDM10306+5559  (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)
CompB   [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)
DiscLDS2863  Name of the pair (Discoverer and Number) (Note 3)   (meta.id)
dRAs -10.68 s Remainder of RA in second of time (J2000) (pos.eq.ra;arith.diff)
dDEs 56.8 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)
Year1955 yr Year of measured relative position (time.epoch;arith.diff)
theta304 deg Position angle (degrees) (Note 4)   (pos.posAng)
rho 120.0 arcsec angular separation of Comp along theta (pos.angDistance)
Obs 1   for component A: number of components; other component: number of measurements (meta.number)
Vmag11.0 mag magnitude (phot.mag;em.opt)
SpK5  Spectral type (src.spType)
pmNote*   [*@$#] Origin of the proper motion (Note 7)   (meta.ref;pos.pm;pos.frame)
pmRA -179 mas/yr annual proper motion in 0"001 (pos.pm;pos.eq.ra)
pmDE -35 mas/yr annual proper motion in 0"001 (pos.pm;pos.eq.dec)
DM+56 1458.0  First identification = DM (Harvard system) (Note 5)   (meta.id)
Name2+56 796.6  Second identification (Note 5)   (meta.id)
HD237903  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)
IDS10242N5629B  Original Index (1976.5) or WDS (1994) identifier, based on equinox 1900 (meta.id)
HIC    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)
RAJ2000157.6055 deg (i) Right Ascension J2000 (degrees) (Note 9)   (pos.eq.ra;meta.main)
DEJ2000+55.9991 deg (i) Declination J2000 (degrees) (Note 9)   (pos.eq.dec;meta.main)
  
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