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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=24760
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ColumnValue  Explain   (UCD)
_RAJ200018 50 01.0500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+33 22 34.800 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 48 10.3268 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+33 19 01.561 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon063.1953448 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+14.8007983 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)
24760recno 24760  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CCDM18501+3322  (i) CCDM number (Catalogue I/211) (meta.id;meta.main)
rComp   Reference component when different from A (meta.note)
CompE  Component considered (meta.code.multip)
HIC    [1/120313] HIC number as in 'main' file (meta.id)
RAJ200018 50 01.05 "h:m:s" (i) Right Ascension J2000 (hours) (pos.eq.ra;meta.main)
DEJ2000+33 22 34.8 "d:m:s" (i) Declination J2000 (degrees) (pos.eq.dec;meta.main)
Mag 9.9 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)
PA316 deg [ 0-9.EFPNS]Position angle (pos.posAng)
Sep 67.8 arcsec Separation (arcsec) (pos.angDistance)
Note1    [O] O=system with known orbit (meta.note)
Note2    [A] A=astrometric binary (meta.note)
pmRA-0.025 arcsec/a Proper motion in right ascension =15.mu_alpha*cos(delta) (pos.pm;pos.eq.ra)
pmDE 0.003 arcsec/a Proper motion in declination (pos.pm;pos.eq.dec)
DMBD +33 3222  DM number. Last char is a suffix to DM, or "*" if HD convention is not followed. (meta.id)
HD    [1/359083] HD/HDE number (meta.id)
AG+33 1688  AGK3 or SAO number (meta.id)
IDS18464N3315 E  IDS number (equinox B1900), with component indication. (meta.id)
ADS11745   [1/17180] ADS number (meta.id)
  
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