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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===6963 953 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)
_RAJ200022 37 58.6757711 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-22 38 40.218604 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195022 35 14.2763544 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-22 54 13.893155 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon033.9270777538 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-59.4920690264 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
716249recno 716249  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TYC6963 953 1  (i) TYC1-3 (TYC number) (Note T1)   (meta.id;meta.main)
Proxy    [HT] Proximity flag (T2) (meta.code)
RAhms22 37 58.56  Right ascension in h m s, ICRS (J1991.25) (T3) (pos.eq.ra)
DEdms-22 38 39.7  Declination in deg ' ", ICRS (J1991.25) (T4) (pos.eq.dec)
Vmag 9.10 mag Magnitude in Johnson V (T5) (phot.mag;em.opt.V)
r_Vmag    [BDTV] Source of magnitude (Note T7)   (meta.ref;pos.frame)
RAICRS339.49401334 deg (i) alpha, degrees (ICRS, Epoch=J1991.25) (Note T8)   (pos.eq.ra)
DEICRS-22.64435496 deg (i) delta, degrees (ICRS, Epoch=J1991.25) (Note T9)   (pos.eq.dec)
AstroRef    [X] Reference flag for astrometry (Note T10)   (meta.bib)
Plx 2.90 mas Trigonometric parallax (Note T11)   (pos.parallax.trig)
pmRA 178.10 mas/yr Proper motion mu_alpha.cos(delta), ICRS (Note T12)   (pos.pm;pos.eq.ra)
pmDE -61.80 mas/yr Proper motion mu_delta, ICRS (Note T13)   (pos.pm;pos.eq.dec)
e_RAICRS 9.90 mas Standard error in RA*cos(delta) (Note T14)   (stat.error;pos.eq.ra)
e_DEICRS 8.00 mas Standard error in DE (Note T15)   (stat.error;pos.eq.dec)
e_Plx 11.10 mas Standard error in Plx (Note T16)   (stat.error;pos.parallax)
e_pmRA 13.00 mas/yr Standard error in pmRA (Note T17)   (stat.error;pos.pm;pos.eq.ra)
e_pmDE 10.10 mas/yr Standard error in pmDE (Note T18)   (stat.error;pos.pm;pos.eq.dec)
DE:RA 0.27   [-1/1] Correlation, DE/RA*cos(delta) (T19) (stat.correlation)
Plx:RA 0.03   [-1/1] Correlation, Plx/RA*cos(delta) (T20) (stat.correlation)
Plx:DE 0.06   [-1/1] Correlation, Plx/DE (T21) (stat.correlation)
pmRA:RA-0.41   [-1/1] Correlation, pmRA/RA*cos(delta) (T22) (stat.correlation)
pmRA:DE-0.22   [-1/1] Correlation, pmRA/DE (T23) (stat.correlation)
pmRA:Plx 0.22   [-1/1] Correlation, pmRA/Plx (T24) (stat.correlation)
pmDE:RA-0.25   [-1/1] Correlation, pmDE/RA*cos(delta) (T25) (stat.correlation)
pmDE:DE-0.61   [-1/1] Correlation, pmDE/DE (T26) (stat.correlation)
pmDE:Plx 0.07   [-1/1] Correlation, pmDE/Plx (T27) (stat.correlation)
pmDE:pmRA 0.25   [-1/1] Correlation, pmDE/pmRA (T28) (stat.correlation)
Nastro208   Number of transits for astrometry (T29) (meta.number)
F2 2.44   Goodness-of-fit parameter (Note T30)   (stat.fit.goodness)
HIP111730  (i) Hipparcos HIP number (T31) (meta.id)
BTmag 9.687 mag Mean BT magnitude (T32) (phot.mag;em.opt.B)
e_BTmag 0.017 mag Standard error in BTmag (T33) (stat.error;phot.mag;em.opt.B)
VTmag 9.150 mag Mean VT magnitude (T34) (phot.mag;em.opt.V)
e_VTmag 0.016 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 0.501 mag Johnson B-V colour (T37) (phot.color;em.opt.B;em.opt.V)
e_B-V 0.019 mag Standard error on B-V (T38) (stat.error;phot.color;em.opt.B)
Q3   Astrometric quality flag, Q (Note T40)   (meta.code.qual)
Fs14.4   Signal-to-noise ratio of the star image(T41) (meta.note)
Source    [HPR] Source of astrometric data (Note T42)   (meta.bib)
Nphoto152   Number of transits for photometry (T43) (meta.number)
VTscat 0.202 mag Estimate of VTmag scatter (T44) (stat.error)
VTmax 8.94 mag VTmag at maximum (15th percentile) (T45) (phot.mag;em.opt.V)
VTmin 9.34 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)
MultFlagY   [DRSYZ] Duplicity from Tycho (Note T49)   (meta.code.multip)
morePhotoB  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)
PPM274053   [1/789676] PPM and Supplement (Note T52)   (meta.id.cross)
HD214362   [1/359083] HD cat. III/135 (T53) (meta.id.cross)
BD   Bonner DM I/119, I/122 (T54) (meta.id.cross)
CoDC-23 17523  Cordoba DM I/114 (T55) (meta.id.cross)
CPDP-23 8211  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.icrs339.49448238 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-22.64450517 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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