VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
I/239
  The Hipparcos and Tycho Catalogues (ESA 1997)
ReadMe+ftp
1997HIP...C......0E
Similar Catalogs
timeSerie
Post annotation 		img(gal)
1.I/239/tyc_mainThe main part of Tycho Catalogue[timeSerie] (1058332 rows)
Note that the errors on the proper motions are large (∼50mas/yr), and therefore the positions computed at an epoch different from 1991.25 have a large (∼0.4") uncertainty.
The Tycho Epoch Photometry data can be accessed from the morePhoto column (includes VT, BT and Hp photometric data for Hipparcos stars [filter responses]

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  TYC (char) (i) TYC1-3 (TYC number) (Note T1)   (meta.id;meta.main)
  Proxy (char) [HT] Proximity flag (T2) (meta.code)
  RAhms (char) Right ascension in h m s, ICRS (J1991.25) (T3) (pos.eq.ra)
  DEdms (char) Declination in deg ' ", ICRS (J1991.25) (T4) (pos.eq.dec)
  Vmag mag (n) Magnitude in Johnson V (T5) (phot.mag;em.opt.V)
  r_Vmag (char) [BDTV] Source of magnitude (Note T7)   (meta.ref;pos.frame)
  RAICRS deg (i) alpha, degrees (ICRS, Epoch=J1991.25) (Note T8)   (pos.eq.ra;meta.main)
  DEICRS deg (i) delta, degrees (ICRS, Epoch=J1991.25) (Note T9)   (pos.eq.dec;meta.main)
  AstroRef (char) [X] Reference flag for astrometry (Note T10)   (meta.bib)
  Plx mas (n) Trigonometric parallax (Note T11)   (pos.parallax.trig)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  pmRA mas/yr (n) Proper motion mu_alpha.cos(delta), ICRS (Note T12)   (pos.pm;pos.eq.ra)
  pmDE mas/yr (n) Proper motion mu_delta, ICRS (Note T13)   (pos.pm;pos.eq.dec)
  e_RAICRS mas (n) Standard error in RA*cos(delta) (Note T14)   (stat.error;pos.eq.ra)
  e_DEICRS mas (n) Standard error in DE (Note T15)   (stat.error;pos.eq.dec)
  e_Plx mas (n) Standard error in Plx (Note T16)   (stat.error;pos.parallax)
  e_pmRA mas/yr (n) Standard error in pmRA (Note T17)   (stat.error;pos.pm;pos.eq.ra)
  e_pmDE mas/yr (n) Standard error in pmDE (Note T18)   (stat.error;pos.pm;pos.eq.dec)
  DE:RA  (n) [-1/1] Correlation, DE/RA*cos(delta) (T19) (stat.correlation)
  Plx:RA  (n) [-1/1] Correlation, Plx/RA*cos(delta) (T20) (stat.correlation)
  Plx:DE  (n) [-1/1] Correlation, Plx/DE (T21) (stat.correlation)
  pmRA:RA  (n) [-1/1] Correlation, pmRA/RA*cos(delta) (T22) (stat.correlation)
  pmRA:DE  (n) [-1/1] Correlation, pmRA/DE (T23) (stat.correlation)
  pmRA:Plx  (n) [-1/1] Correlation, pmRA/Plx (T24) (stat.correlation)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  pmDE:RA  (n) [-1/1] Correlation, pmDE/RA*cos(delta) (T25) (stat.correlation)
  pmDE:DE  (n) [-1/1] Correlation, pmDE/DE (T26) (stat.correlation)
  pmDE:Plx  (n) [-1/1] Correlation, pmDE/Plx (T27) (stat.correlation)
  pmDE:pmRA  (n) [-1/1] Correlation, pmDE/pmRA (T28) (stat.correlation)
  Nastro  (n) Number of transits for astrometry (T29) (meta.number)
  F2  (n) Goodness-of-fit parameter (Note T30)   (stat.fit.goodness)
  HIP  (n)(i) Hipparcos HIP number (T31) (meta.id)
  BTmag mag (n) Mean BT magnitude (T32) (phot.mag;em.opt.B)
  e_BTmag mag (n) Standard error in BTmag (T33) (stat.error;phot.mag)
  VTmag mag (n) Mean VT magnitude (T34) (phot.mag;em.opt.V)
  e_VTmag mag (n) Standard error in VTmag (T35) (stat.error;phot.mag)
  r_BTmag (char) [DMNT] Source of photometry (Note T36)   (meta.ref)
  B-V mag (n) Johnson B-V colour (T37) (phot.color;em.opt.B;em.opt.V)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_B-V mag (n) Standard error on B-V (T38) (stat.error;phot.color;em.opt.B)
  Q  (n) Astrometric quality flag, Q (Note T40)   (meta.code.qual)
  Fs  (n) Signal-to-noise ratio of the star image(T41) (meta.note)
  Source (char) [HPR] Source of astrometric data (Note T42)   (meta.bib)
  Nphoto  (n) Number of transits for photometry (T43) (meta.number)
  VTscat mag (n) Estimate of VTmag scatter (T44) (stat.error)
  VTmax mag (n) VTmag at maximum (15th percentile) (T45) (phot.mag;em.opt.V)
  VTmin mag (n) VTmag at minimum (85th percentile) (T46) (phot.mag;em.opt.V)
  Var (char) [GN] Known variability from GCVS/NSV (Note T47)   (meta.code;src.var)
  VarFlag (char) [UVW] Variability from Tycho (Note T48)   (src.var)
  MultFlag (char) [DRSYZ] Duplicity from Tycho (Note T49)   (meta.code.multip)
  morePhoto (char) Annex of Tycho Epoch photometry A or B, set to - for inaccessible B epoch photometry, b for reconstructed epoch photometry, c for added epoch photometry (meta.code)
timeSerie
  m_HIP (char) CCDM component identifier (T51) (meta.code.multip)
  PPM  (n) [1/789676] PPM and Supplement (Note T52)   (meta.id.cross)
  HD  (n) [1/359083] HD cat. III/135 (T53) (meta.id.cross)
  BD (char) Bonner DM I/119, I/122 (T54) (meta.id.cross)
  CoD (char) Cordoba DM I/114 (T55) (meta.id.cross)
  CPD (char) Cape Photographic DM I/108 (T56) (meta.id.cross)
  Remark (char) [JKLM] Notes (Note T57)   (meta.note)
  EpPhot  Tycho (and Hipparcos) Epoch Photometry, directly available for A, B and b types (meta.ref.url)
timeSerie
  _RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  _DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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