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I/239/tyc_main The Hipparcos and Tycho Catalogues (ESA 1997)
The main part of Tycho Catalogue
timeSerie
(1058332 rows)
  TYC===2782 1896 1
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Note: 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]

ColumnValue  Explain   (UCD)
_RAJ200000 13 02.6432754 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+39 19 07.481008 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 10 25.5652015 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+39 02 28.801645 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon114.8786901243 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-22.9517555803 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
269990recno 269990  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TYC2782 1896 1  (i) TYC1-3 (TYC number) (Note T1)   (meta.id;meta.main)
Proxy    [HT] Proximity flag (T2) (meta.code)
RAhms00 13 02.55  Right ascension in h m s, ICRS (J1991.25) (T3) (pos.eq.ra)
DEdms+39 19 07.8  Declination in deg ' ", ICRS (J1991.25) (T4) (pos.eq.dec)
Vmag10.93 mag Magnitude in Johnson V (T5) (phot.mag;em.opt.V)
r_Vmag    [BDTV] Source of magnitude (Note T7)   (meta.ref;pos.frame)
RAICRS003.26062847 deg (i) alpha, degrees (ICRS, Epoch=J1991.25) (Note T8)   (pos.eq.ra)
DEICRS+39.31884535 deg (i) delta, degrees (ICRS, Epoch=J1991.25) (Note T9)   (pos.eq.dec)
AstroRef    [X] Reference flag for astrometry (Note T10)   (meta.bib)
Plx 11.00 mas Trigonometric parallax (Note T11)   (pos.parallax.trig)
pmRA 122.60 mas/yr Proper motion mu_alpha.cos(delta), ICRS (Note T12)   (pos.pm;pos.eq.ra)
pmDE -41.40 mas/yr Proper motion mu_delta, ICRS (Note T13)   (pos.pm;pos.eq.dec)
e_RAICRS 36.40 mas Standard error in RA*cos(delta) (Note T14)   (stat.error;pos.eq.ra)
e_DEICRS 29.40 mas Standard error in DE (Note T15)   (stat.error;pos.eq.dec)
e_Plx 41.40 mas Standard error in Plx (Note T16)   (stat.error;pos.parallax)
e_pmRA 38.20 mas/yr Standard error in pmRA (Note T17)   (stat.error;pos.pm;pos.eq.ra)
e_pmDE 30.20 mas/yr Standard error in pmDE (Note T18)   (stat.error;pos.pm;pos.eq.dec)
DE:RA-0.25   [-1/1] Correlation, DE/RA*cos(delta) (T19) (stat.correlation)
Plx:RA-0.24   [-1/1] Correlation, Plx/RA*cos(delta) (T20) (stat.correlation)
Plx:DE 0.27   [-1/1] Correlation, Plx/DE (T21) (stat.correlation)
pmRA:RA-0.10   [-1/1] Correlation, pmRA/RA*cos(delta) (T22) (stat.correlation)
pmRA:DE-0.08   [-1/1] Correlation, pmRA/DE (T23) (stat.correlation)
pmRA:Plx 0.00   [-1/1] Correlation, pmRA/Plx (T24) (stat.correlation)
pmDE:RA-0.07   [-1/1] Correlation, pmDE/RA*cos(delta) (T25) (stat.correlation)
pmDE:DE 0.33   [-1/1] Correlation, pmDE/DE (T26) (stat.correlation)
pmDE:Plx-0.02   [-1/1] Correlation, pmDE/Plx (T27) (stat.correlation)
pmDE:pmRA-0.20   [-1/1] Correlation, pmDE/pmRA (T28) (stat.correlation)
Nastro162   Number of transits for astrometry (T29) (meta.number)
F2 0.91   Goodness-of-fit parameter (Note T30)   (stat.fit.goodness)
HIP   (i) Hipparcos HIP number (T31) (meta.id)
BTmag12.398 mag Mean BT magnitude (T32) (phot.mag;em.opt.B)
e_BTmag 0.159 mag Standard error in BTmag (T33) (stat.error;phot.mag;em.opt.B)
VTmag11.058 mag Mean VT magnitude (T34) (phot.mag;em.opt.V)
e_VTmag 0.082 mag Standard error in VTmag (T35) (stat.error;phot.mag;em.opt.V)
r_BTmagN   [DMNT] Source of photometry (Note T36)   (meta.ref)
B-V 1.135 mag Johnson B-V colour (T37) (phot.color;em.opt.B;em.opt.V)
e_B-V 0.160 mag Standard error on B-V (T38) (stat.error;phot.color;em.opt.B)
Q4   Astrometric quality flag, Q (Note T40)   (meta.code.qual)
Fs 8.4   Signal-to-noise ratio of the star image(T41) (meta.note)
Source    [HPR] Source of astrometric data (Note T42)   (meta.bib)
Nphoto208   Number of transits for photometry (T43) (meta.number)
VTscat 0.809 mag Estimate of VTmag scatter (T44) (stat.error)
VTmax10.29 mag VTmag at maximum (15th percentile) (T45) (phot.mag;em.opt.V)
VTmin13.33 mag VTmag at minimum (85th percentile) (T46) (phot.mag;em.opt.V)
Var    [GN] Known variability from GCVS/NSV (Note T47)   (meta.code;src.var)
VarFlag    [UVW] Variability from Tycho (Note T48)   (src.var)
MultFlagZ   [DRSYZ] Duplicity from Tycho (Note T49)   (meta.code.multip)
morePhoto   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)
m_HIP   CCDM component identifier (T51) (meta.code.multip)
PPM    [1/789676] PPM and Supplement (Note T52)   (meta.id.cross)
HD    [1/359083] HD cat. III/135 (T53) (meta.id.cross)
BD   Bonner DM I/119, I/122 (T54) (meta.id.cross)
CoD   Cordoba DM I/114 (T55) (meta.id.cross)
CPD   Cape Photographic DM I/108 (T56) (meta.id.cross)
Remark    [JKLM] Notes (Note T57)   (meta.note)

EpPhotEpPhot  Tycho (and Hipparcos) Epoch Photometry, directly available for A, B and b types (meta.ref.url)
_RA.icrs003.26101365 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+39.31874472 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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