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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=== 85 1179 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)
_RAJ200004 57 23.4726778 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+00 59 31.310364 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 54 48.5003570 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+00 54 54.120643 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon198.0769793871 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-24.6370648753 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
6398recno 6398  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TYC 85 1179 1  (i) TYC1-3 (TYC number) (Note T1)   (meta.id;meta.main)
ProxyH   [HT] Proximity flag (T2) (meta.code)
RAhms04 57 23.44  Right ascension in h m s, ICRS (J1991.25) (T3) (pos.eq.ra)
DEdms+00 59 31.1  Declination in deg ' ", ICRS (J1991.25) (T4) (pos.eq.dec)
Vmag 8.53 mag Magnitude in Johnson V (T5) (phot.mag;em.opt.V)
r_Vmag    [BDTV] Source of magnitude (Note T7)   (meta.ref;pos.frame)
RAICRS074.34768298 deg (i) alpha, degrees (ICRS, Epoch=J1991.25) (Note T8)   (pos.eq.ra;meta.main)
DEICRS+00.99196649 deg (i) delta, degrees (ICRS, Epoch=J1991.25) (Note T9)   (pos.eq.dec;meta.main)
AstroRefX   [X] Reference flag for astrometry (Note T10)   (meta.bib)
Plx 14.20 mas Trigonometric parallax (Note T11)   (pos.parallax.trig)
pmRA 49.30 mas/yr Proper motion mu_alpha.cos(delta), ICRS (Note T12)   (pos.pm;pos.eq.ra)
pmDE 26.40 mas/yr Proper motion mu_delta, ICRS (Note T13)   (pos.pm;pos.eq.dec)
e_RAICRS 10.50 mas Standard error in RA*cos(delta) (Note T14)   (stat.error;pos.eq.ra)
e_DEICRS 7.80 mas Standard error in DE (Note T15)   (stat.error;pos.eq.dec)
e_Plx 10.30 mas Standard error in Plx (Note T16)   (stat.error;pos.parallax)
e_pmRA 11.80 mas/yr Standard error in pmRA (Note T17)   (stat.error;pos.pm;pos.eq.ra)
e_pmDE 8.60 mas/yr Standard error in pmDE (Note T18)   (stat.error;pos.pm;pos.eq.dec)
DE:RA-0.26   [-1/1] Correlation, DE/RA*cos(delta) (T19) (stat.correlation)
Plx:RA 0.41   [-1/1] Correlation, Plx/RA*cos(delta) (T20) (stat.correlation)
Plx:DE-0.01   [-1/1] Correlation, Plx/DE (T21) (stat.correlation)
pmRA:RA 0.44   [-1/1] Correlation, pmRA/RA*cos(delta) (T22) (stat.correlation)
pmRA:DE-0.26   [-1/1] Correlation, pmRA/DE (T23) (stat.correlation)
pmRA:Plx 0.02   [-1/1] Correlation, pmRA/Plx (T24) (stat.correlation)
pmDE:RA-0.27   [-1/1] Correlation, pmDE/RA*cos(delta) (T25) (stat.correlation)
pmDE:DE 0.50   [-1/1] Correlation, pmDE/DE (T26) (stat.correlation)
pmDE:Plx-0.10   [-1/1] Correlation, pmDE/Plx (T27) (stat.correlation)
pmDE:pmRA-0.23   [-1/1] Correlation, pmDE/pmRA (T28) (stat.correlation)
Nastro 91   Number of transits for astrometry (T29) (meta.number)
F2 0.74   Goodness-of-fit parameter (Note T30)   (stat.fit.goodness)
HIP 23044  (i) Hipparcos HIP number (T31) (meta.id)
BTmag 9.251 mag Mean BT magnitude (T32) (phot.mag;em.opt.B)
e_BTmag 0.019 mag Standard error in BTmag (T33) (stat.error;phot.mag)
VTmag 8.597 mag Mean VT magnitude (T34) (phot.mag;em.opt.V)
e_VTmag 0.017 mag Standard error in VTmag (T35) (stat.error;phot.mag)
r_BTmagN   [DMNT] Source of photometry (Note T36)   (meta.ref)
B-V 0.593 mag Johnson B-V colour (T37) (phot.color;em.opt.B;em.opt.V)
e_B-V 0.020 mag Standard error on B-V (T38) (stat.error;phot.color;em.opt.B)
Q3   Astrometric quality flag, Q (Note T40)   (meta.code.qual)
Fs10.0   Signal-to-noise ratio of the star image(T41) (meta.note)
Source    [HPR] Source of astrometric data (Note T42)   (meta.bib)
Nphoto 70   Number of transits for photometry (T43) (meta.number)
VTscat 0.140 mag Estimate of VTmag scatter (T44) (stat.error)
VTmax 8.44 mag VTmag at maximum (15th percentile) (T45) (phot.mag;em.opt.V)
VTmin 8.75 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)
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_HIPAB  CCDM component identifier (T51) (meta.code.multip)
PPM148231   [1/789676] PPM and Supplement (Note T52)   (meta.id.cross)
HD 31622   [1/359083] HD cat. III/135 (T53) (meta.id.cross)
BDB+00 905  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.icrs074.34780282 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+00.99203066 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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