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I/259/tyc2 The Tycho-2 Catalogue (Hog+ 2000)
*The Tycho-2 main catalogue (2539913 rows)
  TYC1=7934, TYC2=3946, TYC3=1
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ColumnValue  Explain   (UCD)
_RAJ200019 59 04.7327471 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-37 50 28.213791 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 55 45.5120002 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-37 58 38.316007 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon 2.6475194364 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-28.9581572173 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)
2001735recno 2001735  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TYC17934  (i) [1,9537] TYC1 from TYC or GSC (Note 1)   (meta.id.part;meta.main)
TYC2 3946  (i) [1,12121] TYC2 from TYC or GSC (Note 1)   (meta.id.part;meta.main)
TYC31  (i) [1,3] TYC3 from TYC (Note 1)   (meta.id.part;meta.main)
pflag    [ PX] mean position flag (Note 2)   (meta.code)
RAmdeg299.76971986 deg (i) []? Mean Right Asc, ICRS, epoch=J2000 (3) (Note 3)   (pos.eq.ra;meta.main)
DEmdeg-37.84117188 deg (i) []? Mean Decl, ICRS, at epoch=J2000 (3) (Note 3)   (pos.eq.dec;meta.main)
pmRA 19.5 mas/yr [-4418.0,6544.2] prop. mot. in RA*cos(dec) (Note)   (pos.pm;pos.eq.ra)
pmDE -26.1 mas/yr [-5774.3,10277.3] prop. mot. in Dec (Note)   (pos.pm;pos.eq.dec)
e_RAmdeg 7 mas [3,183] s.e. RA*cos(dec),at mean epoch (Note 5)   (stat.error)
e_DEmdeg 8 mas [1,184] s.e. of Dec at mean epoch (Note 5)   (stat.error)
e_pmRA 1.3 mas/yr [0.2,11.5] s.e. prop mot in RA*cos(dec) (Note 5)   (stat.error)
e_pmDE 1.4 mas/yr [0.2,10.3] s.e. of proper motion in Dec (Note 5)   (stat.error)
EpRAm1990.93 yr [1915.95,1992.53] mean epoch of RA (Note 4)   (time.epoch)
EpDEm1990.89 yr [1911.94,1992.01] mean epoch of Dec (Note 4)   (time.epoch)
Num10   [2,36] Number of positions used (meta.id)
q_RAmdeg 1.0   [0.0,9.9] Goodness of fit for mean RA (Note 6)   (meta.code.qual)
q_DEmdeg 1.0   [0.0,9.9] Goodness of fit for mean Dec (Note 6)   (meta.code.qual)
q_pmRA 1.0   [0.0,9.9] Goodness of fit for pmRA (Note 6)   (meta.code.qual)
q_pmDE 1.0   [0.0,9.9] Goodness of fit for pmDE (Note 6)   (meta.code.qual)
BTmag 8.888 mag [2.183,16.581] Tycho-2 BT magnitude (Note 7)   (phot.mag;em.opt.B)
e_BTmag 0.018 mag [0.014,1.977] s.e. of BT (Note 7)   (stat.error)
VTmag 8.381 mag [1.905,15.193] Tycho-2 VT magnitude (Note 7)   (phot.mag;em.opt.V)
e_VTmag 0.014 mag [0.009,1.468] s.e. of VT (Note 7)   (stat.error)
prox999   [3,999] proximity indicator (Note 8)   (meta.code)
TYCT   [T] Tycho-1 star (Note 9)   (meta.code)
HIP    [1,120404] Hipparcos number (meta.id)
CCDM   CCDM component identifier for HIP stars (Note 10)   (meta.code.multip)
RA(ICRS)299.76966333 deg (i) Observed Tycho-2 Right Ascension, ICRS (pos.eq.ra;meta.main)
DE(ICRS)-37.84111083 deg (i) Observed Tycho-2 Declination, ICRS (pos.eq.dec;meta.main)
EpRA-1990 1.77 yr [0.81,2.13] epoch-1990 of RAdeg (time.epoch)
EpDE-1990 1.61 yr [0.72,2.36] epoch-1990 of DEdeg (time.epoch)
e_RAdeg 6.8 mas s.e.RA*cos(dec), of observed Tycho-2 RA (Note 5)   (stat.error)
e_DEdeg 8.2 mas s.e. of observed Tycho-2 Dec (Note 5)   (stat.error)
posflg    [ DP] type of Tycho-2 solution (Note 11)   (meta.id;stat.fit)
corr-0.1   [-1,1] correlation (RAdeg,DEdeg) (stat.correlation)
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I/259/suppl_1 The Tycho-2 Catalogue (Hog+ 2000)
The Tycho-2 supplement-1 (17588 rows)
  TYC1=7934, TYC2=3946, TYC3=1
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I/259/suppl_2 The Tycho-2 Catalogue (Hog+ 2000)
The Tycho-2 supplement-2 (1146 rows)
  TYC1=7934, TYC2=3946, TYC3=1
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