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=542976
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ColumnValue  Explain   (UCD)
_RAJ200002 24 43.3769240 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+32 06 04.080506 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 21 44.9565144 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+31 52 33.701892 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon144.9891298880 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-26.7441178950 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)
542976recno 542976  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
TYC12327  (i) [1,9537] TYC1 from TYC or GSC (Note 1)   (meta.id.part;meta.main)
TYC2 442  (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)
RAmdeg 36.18073789 deg []? Mean Right Asc, ICRS, epoch=J2000 (3) (Note 3)   (pos.eq.ra)
DEmdeg 32.10113683 deg []? Mean Decl, ICRS, at epoch=J2000 (3) (Note 3)   (pos.eq.dec)
pmRA 64.7 mas/yr [-4418.0,6544.2] prop. mot. in RA*cos(dec) (Note)   (pos.pm;pos.eq.ra)
pmDE -45.7 mas/yr [-5774.3,10277.3] prop. mot. in Dec (Note)   (pos.pm;pos.eq.dec)
e_RAmdeg 25 mas [3,183] s.e. RA*cos(dec),at mean epoch (Note 5)   (stat.error)
e_DEmdeg 29 mas [1,184] s.e. of Dec at mean epoch (Note 5)   (stat.error)
e_pmRA 2.5 mas/yr [0.2,11.5] s.e. prop mot in RA*cos(dec) (Note 5)   (stat.error)
e_pmDE 2.5 mas/yr [0.2,10.3] s.e. of proper motion in Dec (Note 5)   (stat.error)
EpRAm1987.35 yr [1915.95,1992.53] mean epoch of RA (Note 4)   (time.epoch)
EpDEm1985.65 yr [1911.94,1992.01] mean epoch of Dec (Note 4)   (time.epoch)
Num 4   [2,36] Number of positions used (meta.id)
q_RAmdeg 0.2   [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 0.2   [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)
BTmag11.316 mag [2.183,16.581] Tycho-2 BT magnitude (Note 7)   (phot.mag;em.opt.B)
e_BTmag 0.068 mag [0.014,1.977] s.e. of BT (Note 7)   (stat.error)
VTmag10.377 mag [1.905,15.193] Tycho-2 VT magnitude (Note 7)   (phot.mag;em.opt.V)
e_VTmag 0.046 mag [0.009,1.468] s.e. of VT (Note 7)   (stat.error)
prox897   [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) 36.18056194 deg (i) Observed Tycho-2 Right Ascension, ICRS (pos.eq.ra;meta.main)
DE(ICRS) 32.10123833 deg (i) Observed Tycho-2 Declination, ICRS (pos.eq.dec;meta.main)
EpRA-1990 1.74 yr [0.81,2.13] epoch-1990 of RAdeg (time.epoch)
EpDE-1990 1.75 yr [0.72,2.36] epoch-1990 of DEdeg (time.epoch)
e_RAdeg 30.1 mas s.e.RA*cos(dec), of observed Tycho-2 RA (Note 5)   (stat.error)
e_DEdeg 38.9 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 0.0   [-1,1] correlation (RAdeg,DEdeg) (stat.correlation)
  
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