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I/259/suppl_1 The Tycho-2 Catalogue (Hog+ 2000)
The Tycho-2 supplement-1 (17588 rows)
  recno=8666
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ColumnValue  Explain   (UCD)
_RAJ200001 32 53.7532320 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-12 11 27.661452 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195001 30 25.6803716 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-12 26 50.916135 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon158.0022448169 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-72.1784713921 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
8666recno 8666  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TYC15279  (i) [2,9529] TYC1 from TYC (Note 1)   (meta.id.part;meta.main)
TYC2 454  (i) [1,12112] TYC2 from TYC (Note 1)   (meta.id.part;meta.main)
TYC31  (i) [1,4] TYC3 from TYC (Note 1)   (meta.id.part;meta.main)
flagT   [HT] data from Hipparcos or Tycho-1 (Note 2)   (meta.ref)
RA(ICRS) 23.22397180 deg (i) Right Asc, ICRS, at epoch=J1991.25 (pos.eq.ra;meta.main)
DE(ICRS)-12.19101707 deg (i) Decl, ICRS, at epoch=J1991.25 (pos.eq.dec;meta.main)
pmRA  mas/yr []? prop. mot. in RA*cos(dec) (pos.pm;pos.eq.ra)
pmDE  mas/yr []? prop. mot. in Dec (pos.pm;pos.eq.dec)
e_RAdeg 71.8 mas s.e. RA*cos(dec) (stat.error)
e_DEdeg 67.2 mas s.e. of Dec (stat.error)
e_pmRA  mas/yr []? s.e. prop mot in RA * cos(dec) (stat.error)
e_pmDE  mas/yr []? s.e. of proper motion in Dec (stat.error)
mflag    [ BVH] (Note 3)   (meta.code)
BTmag12.816 mag []? Tycho-1 BT magnitude (4) (Note 4)   (phot.mag;em.opt.B)
e_BTmag 0.481 mag []? s.e. of BT (4) (Note 4)   (stat.error)
VTmag12.169 mag []? Tycho-1 VT or Hp magnitude (4) (Note 4)   (phot.mag;em.opt.V)
e_VTmag 0.479 mag []? s.e. of VT (4) (Note 4)   (stat.error)
prox999   [1,999] proximity indicator (Note 5)   (meta.code)
TYCT   [ T] Tycho-1 star (meta.code)
HIP    [1,120404] Hipparcos number (meta.id)
CCDM   CCDM component identifier for HIP stars (meta.code.multip)
  
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