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=431087
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ColumnValue  Explain   (UCD)
_RAJ200007 08 58.1939212 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+29 26 32.548740 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195007 05 48.3162286 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+29 31 23.623697 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon187.8112769770 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 16.4614013285 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)
431087recno 431087  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
TYC11908  (i) [1,9537] TYC1 from TYC or GSC (Note 1)   (meta.id.part;meta.main)
TYC2 398  (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)
RAmdeg107.24247465 deg []? Mean Right Asc, ICRS, epoch=J2000 (3) (Note 3)   (pos.eq.ra)
DEmdeg 29.44237593 deg []? Mean Decl, ICRS, at epoch=J2000 (3) (Note 3)   (pos.eq.dec)
pmRA -2.9 mas/yr [-4418.0,6544.2] prop. mot. in RA*cos(dec) (Note)   (pos.pm;pos.eq.ra)
pmDE -12.9 mas/yr [-5774.3,10277.3] prop. mot. in Dec (Note)   (pos.pm;pos.eq.dec)
e_RAmdeg 89 mas [3,183] s.e. RA*cos(dec),at mean epoch (Note 5)   (stat.error)
e_DEmdeg120 mas [1,184] s.e. of Dec at mean epoch (Note 5)   (stat.error)
e_pmRA 2.9 mas/yr [0.2,11.5] s.e. prop mot in RA*cos(dec) (Note 5)   (stat.error)
e_pmDE 3.0 mas/yr [0.2,10.3] s.e. of proper motion in Dec (Note 5)   (stat.error)
EpRAm1979.62 yr [1915.95,1992.53] mean epoch of RA (Note 4)   (time.epoch)
EpDEm1968.39 yr [1911.94,1992.01] mean epoch of Dec (Note 4)   (time.epoch)
Num 3   [2,36] Number of positions used (meta.id)
q_RAmdeg 0.3   [0.0,9.9] Goodness of fit for mean RA (Note 6)   (meta.code.qual)
q_DEmdeg 3.8   [0.0,9.9] Goodness of fit for mean Dec (Note 6)   (meta.code.qual)
q_pmRA 0.3   [0.0,9.9] Goodness of fit for pmRA (Note 6)   (meta.code.qual)
q_pmDE 3.8   [0.0,9.9] Goodness of fit for pmDE (Note 6)   (meta.code.qual)
BTmag13.841 mag [2.183,16.581] Tycho-2 BT magnitude (Note 7)   (phot.mag;em.opt.B)
e_BTmag 0.406 mag [0.014,1.977] s.e. of BT (Note 7)   (stat.error)
VTmag12.130 mag [1.905,15.193] Tycho-2 VT magnitude (Note 7)   (phot.mag;em.opt.V)
e_VTmag 0.180 mag [0.009,1.468] s.e. of VT (Note 7)   (stat.error)
prox999   [3,999] proximity indicator (Note 8)   (meta.code)
TYC    [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)107.24248222 deg (i) Observed Tycho-2 Right Ascension, ICRS (pos.eq.ra;meta.main)
DE(ICRS) 29.44240389 deg (i) Observed Tycho-2 Declination, ICRS (pos.eq.dec;meta.main)
EpRA-1990 1.84 yr [0.81,2.13] epoch-1990 of RAdeg (time.epoch)
EpDE-1990 1.69 yr [0.72,2.36] epoch-1990 of DEdeg (time.epoch)
e_RAdeg 96.0 mas s.e.RA*cos(dec), of observed Tycho-2 RA (Note 5)   (stat.error)
e_DEdeg139.2 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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