VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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I/259/tyc2 The Tycho-2 Catalogue (Hog+ 2000)
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*The Tycho-2 main catalogue (2539913 rows) 		  recno=856302
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ColumnValue  Explain   (UCD)
_RAJ200007 18 46.9355970 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+46 07 05.623396 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195007 15 07.5141457 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+46 12 36.375834 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon171.6686673477 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 23.7089749706 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)
856302recno 856302  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
TYC13393  (i) [1,9537] TYC1 from TYC or GSC (Note 1)   (meta.id.part;meta.main)
TYC2 991  (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)
RAmdeg109.69556028 deg []? Mean Right Asc, ICRS, epoch=J2000 (3) (Note 3)   (pos.eq.ra)
DEmdeg 46.11820990 deg []? Mean Decl, ICRS, at epoch=J2000 (3) (Note 3)   (pos.eq.dec)
pmRA -1.7 mas/yr [-4418.0,6544.2] prop. mot. in RA*cos(dec) (Note)   (pos.pm;pos.eq.ra)
pmDE -11.2 mas/yr [-5774.3,10277.3] prop. mot. in Dec (Note)   (pos.pm;pos.eq.dec)
e_RAmdeg 33 mas [3,183] s.e. RA*cos(dec),at mean epoch (Note 5)   (stat.error)
e_DEmdeg 33 mas [1,184] s.e. of Dec at mean epoch (Note 5)   (stat.error)
e_pmRA 2.2 mas/yr [0.2,11.5] s.e. prop mot in RA*cos(dec) (Note 5)   (stat.error)
e_pmDE 2.1 mas/yr [0.2,10.3] s.e. of proper motion in Dec (Note 5)   (stat.error)
EpRAm1987.92 yr [1915.95,1992.53] mean epoch of RA (Note 4)   (time.epoch)
EpDEm1985.50 yr [1911.94,1992.01] mean epoch of Dec (Note 4)   (time.epoch)
Num 5   [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 1.2   [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 1.2   [0.0,9.9] Goodness of fit for pmDE (Note 6)   (meta.code.qual)
BTmag12.644 mag [2.183,16.581] Tycho-2 BT magnitude (Note 7)   (phot.mag;em.opt.B)
e_BTmag 0.187 mag [0.014,1.977] s.e. of BT (Note 7)   (stat.error)
VTmag11.232 mag [1.905,15.193] Tycho-2 VT magnitude (Note 7)   (phot.mag;em.opt.V)
e_VTmag 0.069 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)109.69557056 deg (i) Observed Tycho-2 Right Ascension, ICRS (pos.eq.ra;meta.main)
DE(ICRS) 46.11825417 deg (i) Observed Tycho-2 Declination, ICRS (pos.eq.dec;meta.main)
EpRA-1990 1.82 yr [0.81,2.13] epoch-1990 of RAdeg (time.epoch)
EpDE-1990 1.84 yr [0.72,2.36] epoch-1990 of DEdeg (time.epoch)
e_RAdeg 46.0 mas s.e.RA*cos(dec), of observed Tycho-2 RA (Note 5)   (stat.error)
e_DEdeg 57.0 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 0.3   [-1,1] correlation (RAdeg,DEdeg) (stat.correlation)
  
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