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I/239/h_dm_com The Hipparcos and Tycho Catalogues (ESA 1997)
Double and Multiples: Component solutions -COMP (24588 rows)
  recno=4251
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ColumnValue  Explain   (UCD)
_RAJ200004 33 59.778 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000-55 02 41.91 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195004 32 54.734 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950-55 08 52.27 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon263.8326 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat-41.4155 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (computed by VizieR, not part of the original data) (pos.galactic.lat)
4251recno 4251  Record number within the original table (starting from 1) (meta.record)

CCDM04340-5503  CCDM number (DC1) (meta.id;meta.main)
S1  Solution identifier (DC2) (Note)   (meta.id;stat.fit)
TypeL   [FIL]Type of solution (DC3) (Note)   (meta.note)
SourceC   [CFN] Solution source (DC4) (Note)   (meta.note)
QualA   [ABCD] Solution quality (DC5) (Note)   (meta.note)
NotesP   [DGPWXYZ] Existence of notes (DC6) (Note)   (meta.note)
Nsys1  Number of solutions for the system (DCM1) (meta.number)
Ncomp 2  Number of components in this solution (DCM2) (meta.number)
Nparm11  Number of free parameters in solution (DCM3) (meta.number)
Ncorr 1  Number of correlation records (DCM4) (meta.number)
seq 1  Sequential component number (DCM6) (meta.id)
comp_idA  Component identifier (DC7) (meta.note)
HIP 21281  HIP number (DC8) (meta.id)
Hp 3.616 mag Magnitude of component (DC9) (phot.mag;em.opt.V)
e_Hp 0.005 mag Standard error of Hp magnitude (DC10) (stat.error)
BT  mag Magnitude of component, BT (DC11) (phot.mag;em.opt.B)
e_BT  mag Standard error of BT (DC12) (stat.error)
VT  mag Magnitude of component, VT (DC13) (phot.mag;em.opt.V)
e_VT  mag Standard error of VT (DC14) (stat.error)
RA(ICRS) 68.49882684 deg alpha, degrees (ICRS, Epoch=J1991.25) (DC15) (pos.eq.ra;meta.main)
DE(ICRS)-55.04500559 deg delta, degrees (ICRS, Epoch=J1991.25) (DC16) (pos.eq.dec;meta.main)
Plx 18.56 mas Trigonometric parallax (DC17) (pos.parallax.trig)
pmRA 58.06 mas/yr Proper motion in mu_alpha.cos(delta)ICRS(DC18) (pos.pm;pos.eq.ra)
pmDE 12.73 mas/yr Proper motion in mu_delta in ICRS (DC19) (pos.pm;pos.eq.dec)
e_RAdeg 0.89 mas Standard error in RA*cos(DEdeg) (DC20) (stat.error)
e_DEdeg 0.86 mas Standard error in DE (DC21) (stat.error)
e_Plx 0.46 mas Standard error in Plx (DC22) (stat.error)
e_pmRA 0.64 mas/yr Standard error in pmRA (DC23) (stat.error)
e_pmDE 0.58 mas/yr Standard error in pmDE (DC24) (stat.error)
ref   Reference component for following data (DC25) (meta.note)
theta  deg Position angle (DC26) (Note)   (pos.posAng)
rho  arcsec Separation from reference component (DC27) (pos.angDistance)
d.theta  deg/yr Rate of change of theta (DC28) (arith.rate;pos.angDistance)
d.rho  arcsec/yr Rate of change of separation (DC29) (arith.rate;pos)
seq_ref 0  Sequential record number (DCM7) (Note)   (meta.id)
flag111111  Status flags for parameters (DCM8) (Note)   (meta.code)
  
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