VizieR

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VizieR

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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=41835
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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)
_RAJ200008 15 47.952 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000. (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.eq.ra)
_DEJ2000+05 50 13.20 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000. (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.eq.dec)
_RAB195008 13 08.521 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950. (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.eq.ra)
_DEB1950+05 59 26.01 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950. (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.eq.dec)
_Glon217.411693 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+21.405436 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)
41835recno 41835  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CCDM08158+0550  (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 -0.05 s Remainder of RA in second of time (J2000) (pos.eq.ra;arith.diff)
dDEs 13.2 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)
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 2   for component A: number of components; other component: number of measurements (meta.number)
Vmag  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 -21 mas/yr annual proper motion in 0"001 (pos.pm;pos.eq.ra)
pmDE 41 mas/yr annual proper motion in 0"001 (pos.pm;pos.eq.dec)
DM+06 1909.0  First identification = DM (Harvard system) (Note 5)   (meta.id)
Name2+05 1196.6  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/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)
IDS08105N0609A  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)
RAJ2000123.9498 deg (i) Right Ascension J2000 (degrees) (Note 9)   (pos.eq.ra;meta.main)
DEJ2000+05.8370 deg (i) Declination J2000 (degrees) (Note 9)   (pos.eq.dec;meta.main)
  
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