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I/211/catalog CCDM (Components of Double and Multiple stars) (Dommanget+ 1994)
The Catalogue (74861 rows)
  recno=53202
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Note: Note that the J2000 coordinates (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

ColumnValue  Explain   (UCD)
_RAJ200018 20 56.5400 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-29 50 23.300 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 17 44.5448 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-29 51 47.795 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon002.9852286 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 -7.1499592 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)
53202recno 53202  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CCDM18210-2950  (Catalogue of the Components of the Double and Multiple stars) number (Note 1)   (meta.id;meta.main)
rComp    [B-Z?] Reference component (blank if A) (Note)   (meta.note)
CompD   [A-Z?] Concerned component (Note)   (meta.note)
Note1    [*] *=orbit in Dommanget's personal cat. (Note 2)   (meta.note)
Note2    [@] @ = astrometric binary (meta.note)
DiscSEE 350  Name of the pair (Discoverer and Number) (meta.id)
dRAs -3.46 s Remainder of RA in second of time; (pos.eq.ra;arith.diff)
dDEs -23.3 arcsec Remainder of DE in arcsecond; (pos.eq.dec;arith.diff)
r_dRAs41   Source code for positions (Note 3)   (meta.ref)
Year1896 yr Year of measured relative position (time.epoch)
theta221 deg Position angle (degrees) (Note 4)   (pos.posAng)
rho 58.1 arcsec angular separation of Comp along theta (pos.angDistance)
Obs 1   for A component: number of components; other component: number of measurements (meta.number)
Vmag13.0 mag magnitude (phot.mag;em.opt.V)
Sp   spectrum (src.spType)
pmNote    [*@$] Origin of the proper motion (Note)   (meta.note)
pmRA  mas/yr annual proper motion in 0"001 (pos.pm;pos.eq.ra)
pmDE  mas/yr annual proper motion in 0"001 (pos.pm;pos.eq.dec)
DM   First identification = DM (Harvard system) (Note 5)   (meta.id)
Name2   Second identification (Note 5)   (meta.id)
HD   HD designation (meta.id)
m_HD    [/0-9 ] second HD (Example: 131843/4) (meta.code.multip)
ADS/BDSA11264  ADS number (A) or BDS number (B) (meta.id)
m_ADS/BDS    [a] suffix (a) to an inserted ADS number (meta.code.multip)
n_IDS    [*] The * means that the Index number is built for new component or system; (meta.note)
IDS18146S2952D  Uncorrected Index designation (1976.5) (equinox 1900) and identification letter; (meta.id)
HIC    Hipparcos Input Catalogue (Turon et al.) number (meta.id)

RAJ200018 20 56.54 "h:m:s" (i) Right Ascension J2000 (hours) (Note 6)   (pos.eq.ra;meta.main)
DEJ2000-29 50 23.3 "d:m:s" (i) Declination J2000 (degrees) (Note 6)   (pos.eq.dec;meta.main)
CooFlag0   [0/4] Indicator position computation (Note 6)   (meta.code)
  
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