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VizieR

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I/196/annex1 Hipparcos Input Catalogue, Version 2 (Turon+ 1993)
Double and Multiple System Components (32290 rows)
  recno=17330
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ColumnValue  Explain   (UCD)
_RAJ200013 25 13.6100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+54 59 17.000 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195013 23 13.1483 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+55 14 53.155 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon112.7685639 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+61.4684440 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)
17330recno 17330  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CCDM13240+5456  (i) CCDM number (Catalogue I/211) (meta.id;meta.main)
rComp   Reference component when different from A (meta.note)
CompD  Component considered (meta.code.multip)
HIC 65477   [1/120313] HIC number as in 'main' file (meta.id)
RAJ200013 25 13.61 "h:m:s" (i) Right Ascension J2000 (hours) (pos.eq.ra;meta.main)
DEJ2000+54 59 17.0 "d:m:s" (i) Declination J2000 (degrees) (pos.eq.dec;meta.main)
Mag 4.0 mag Magnitude (generally V, sometimes photographic for the faintest systems) (phot.mag;em.opt.V)
Obs  a Year of observation of the relative position (time.epoch)
PA 71 deg [ 0-9.EFPNS]Position angle (pos.posAng)
Sep 710.0 arcsec Separation (arcsec) (pos.angDistance)
Note1    [O] O=system with known orbit (meta.note)
Note2    [A] A=astrometric binary (meta.note)
pmRA 0.194 arcsec/a Proper motion in right ascension =15.mu_alpha*cos(delta) (pos.pm;pos.eq.ra)
pmDE-0.022 arcsec/a Proper motion in declination (pos.pm;pos.eq.dec)
DMBD +55 1603  DM number. Last char is a suffix to DM, or "*" if HD convention is not followed. (meta.id)
HD116842   [1/359083] HD/HDE number (meta.id)
AG 28751  AGK3 or SAO number (meta.id)
IDS13199N5527 C  IDS number (equinox B1900), with component indication. (meta.id)
ADS 8891   [1/17180] ADS number (meta.id)
  
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