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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=94380
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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)
_RAJ200020 51 59.496 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+43 45 25.20 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 50 12.397 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+43 34 04.35 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon084.275036 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-00.423709 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)
94380recno 94380  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CCDM20520+4345  (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)
DiscSTT 416  Name of the pair (Discoverer and Number) (Note 3)   (meta.id)
dRAs -0.50 s Remainder of RA in second of time (J2000) (pos.eq.ra;arith.diff)
dDEs 25.3 arcsec Remainder of DE in arcsecond (J2000) (pos.eq.dec;arith.diff)
r_dRAs90   Source code for positions, in refpos.dat (meta.ref;pos.frame)
Year1959 yr Year of measured relative position (time.epoch;arith.diff)
theta124 deg Position angle (degrees) (Note 4)   (pos.posAng)
rho 8.3 arcsec angular separation of Comp along theta (pos.angDistance)
Obs99   for component A: number of components; other component: number of measurements (meta.number)
Vmag 9.4 mag magnitude (phot.mag;em.opt)
Sp   Spectral type (src.spType)
pmNote$   [*@$#] Origin of the proper motion (Note 7)   (meta.ref;pos.pm;pos.frame)
pmRA 26 mas/yr annual proper motion in 0"001 (pos.pm;pos.eq.ra)
pmDE 6 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 identifier (meta.id)
m_HD    [/0-9 ?*] second HD (Example: 131843/4) (Note 8)   (meta.code.multip)
ADS/BDSA14382  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)
IDS20484N4323B  Original Index (1976.5) or WDS (1994) identifier, based on equinox 1900 (meta.id)
HIC102990   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)
RAJ2000312.9979 deg (i) Right Ascension J2000 (degrees) (Note 9)   (pos.eq.ra;meta.main)
DEJ2000+43.7570 deg (i) Declination J2000 (degrees) (Note 9)   (pos.eq.dec;meta.main)
  
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