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VizieR

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I/260/ccdmhipn Visual Double Stars in Hipparcos (Dommanget+, 2000)
The Catalogue (41255 rows)
  recno=26578
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Note: Note that the J2000 coordinates are not part of the original catalogue, they were computed from dRAs and dDEs, or from the (rho,theta); their accuracy can be low.

ColumnValue  Explain   (UCD)
_RAJ200016 00 20.016 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-22 37 18.12 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195015 57 22.279 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-22 28 52.59 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon350.096956 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+22.490404 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)
26578recno 26578  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CCDM16003-2237  (Catalogue of the Components of the Double and Multiple stars) number (Note)   (meta.id;meta.main)
rComp    [B-Z?] Reference component (blank if A) (meta.code.multip)
CompB   [A-Z?] Concerned component (Note)   (meta.code.multip)
Note1&   [*&] orbit flag (Note)   (meta.code)
Note2    [@%] astrometric binary (Note)   (meta.code)
DiscBLA  Name of the pair (Discoverer and Number) (Note)   (meta.id)
dRAs  s Remainder of RA in second of time; (pos.eq.ra;arith.diff)
dDEs  arcsec Remainder of DE in arcsecond; (pos.angDistance)
r_dRAs    Source code for positions (Note)   (meta.ref)
Year1973 yr Year of measured relative position (time.epoch)
theta  deg Position angle (degrees) (Note)   (pos.posAng)
rho  arcsec angular separation of Comp along theta (pos.angDistance)
Obs18   for A component: number of components; other component: number of measurements (meta.number)
Vmag  mag magnitude (phot.mag;em.opt.V)
Sp   spectrum (src.spType)
pmNote    [*@$#] Origin of the proper motion (Note)   (meta.ref)
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)   (meta.id)
Name2   Second identification (Note)   (meta.id)
HD   HD designation (meta.id)
m_HD    [*?/0-9 ] second HD (Note Example: 131843/4)   (meta.code.multip)
ADS/BDS   ADS number (A) or BDS number (B) (meta.id)
m_ADS/BDS    [aN] suffix (a) to an inserted ADS number N = Note in the WDS (meta.code.multip)
n_IDS    [*W] Note on IDS designation (Note)   (meta.note)
IDS15544S2220B  Uncorrected Index designation (1976.5) (equinox 1900) and identification letter; (meta.id)
HIP 78401   Hipparcos Catalogue (I/239) number (meta.id)

RAJ2000240.0834 deg (i) Right Ascension (J2000) computed at CDS (pos.eq.ra;meta.main)
DEJ2000-22.6217 deg (i) Declination (J2000) computed at CDS (pos.eq.dec;meta.main)
  
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