VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
CDS

VizieR

start AladinLite
I/239/tyc_main The Hipparcos and Tycho Catalogues (ESA 1997)
ReadMe+ftp

The main part of Tycho Catalogue
timeSerie
(1058332 rows) 		  TYC===6557 214 1
Post annotation about this record

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)
_RAJ200007 53 38.2018399 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-26 14 02.570476 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195007 51 33.4377793 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-26 06 10.037158 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon243.1369028932 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+00.7130739551 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
679815recno 679815  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
TYC6557 214 1  (i) TYC1-3 (TYC number) (Note T1)   (meta.id;meta.main)
Proxy    [HT] Proximity flag (T2) (meta.code)
RAhms07 53 38.21  Right ascension in h m s, ICRS (J1991.25) (T3) (pos.eq.ra)
DEdms-26 14 02.6  Declination in deg ' ", ICRS (J1991.25) (T4) (pos.eq.dec)
Vmag 9.41 mag Magnitude in Johnson V (T5) (phot.mag;em.opt.V)
r_Vmag    [BDTV] Source of magnitude (Note T7)   (meta.ref;pos.frame)
RAICRS118.40919032 deg (i) alpha, degrees (ICRS, Epoch=J1991.25) (Note T8)   (pos.eq.ra;meta.main)
DEICRS-26.23406291 deg (i) delta, degrees (ICRS, Epoch=J1991.25) (Note T9)   (pos.eq.dec;meta.main)
AstroRef    [X] Reference flag for astrometry (Note T10)   (meta.bib)
Plx -6.80 mas Trigonometric parallax (Note T11)   (pos.parallax.trig)
pmRA -5.90 mas/yr Proper motion mu_alpha.cos(delta), ICRS (Note T12)   (pos.pm;pos.eq.ra)
pmDE 6.40 mas/yr Proper motion mu_delta, ICRS (Note T13)   (pos.pm;pos.eq.dec)
e_RAICRS 7.80 mas Standard error in RA*cos(delta) (Note T14)   (stat.error;pos.eq.ra)
e_DEICRS 8.50 mas Standard error in DE (Note T15)   (stat.error;pos.eq.dec)
e_Plx 12.10 mas Standard error in Plx (Note T16)   (stat.error;pos.parallax)
e_pmRA 8.40 mas/yr Standard error in pmRA (Note T17)   (stat.error;pos.pm;pos.eq.ra)
e_pmDE 11.00 mas/yr Standard error in pmDE (Note T18)   (stat.error;pos.pm;pos.eq.dec)
DE:RA 0.01   [-1/1] Correlation, DE/RA*cos(delta) (T19) (stat.correlation)
Plx:RA 0.22   [-1/1] Correlation, Plx/RA*cos(delta) (T20) (stat.correlation)
Plx:DE 0.14   [-1/1] Correlation, Plx/DE (T21) (stat.correlation)
pmRA:RA 0.25   [-1/1] Correlation, pmRA/RA*cos(delta) (T22) (stat.correlation)
pmRA:DE 0.08   [-1/1] Correlation, pmRA/DE (T23) (stat.correlation)
pmRA:Plx 0.11   [-1/1] Correlation, pmRA/Plx (T24) (stat.correlation)
pmDE:RA 0.00   [-1/1] Correlation, pmDE/RA*cos(delta) (T25) (stat.correlation)
pmDE:DE-0.01   [-1/1] Correlation, pmDE/DE (T26) (stat.correlation)
pmDE:Plx-0.26   [-1/1] Correlation, pmDE/Plx (T27) (stat.correlation)
pmDE:pmRA-0.13   [-1/1] Correlation, pmDE/pmRA (T28) (stat.correlation)
Nastro192   Number of transits for astrometry (T29) (meta.number)
F2 1.57   Goodness-of-fit parameter (Note T30)   (stat.fit.goodness)
HIP 38548  (i) Hipparcos HIP number (T31) (meta.id)
BTmag 9.423 mag Mean BT magnitude (T32) (phot.mag;em.opt.B)
e_BTmag 0.014 mag Standard error in BTmag (T33) (stat.error;phot.mag)
VTmag 9.407 mag Mean VT magnitude (T34) (phot.mag;em.opt.V)
e_VTmag 0.019 mag Standard error in VTmag (T35) (stat.error;phot.mag)
r_BTmagN   [DMNT] Source of photometry (Note T36)   (meta.ref)
B-V 0.011 mag Johnson B-V colour (T37) (phot.color;em.opt.B;em.opt.V)
e_B-V 0.021 mag Standard error on B-V (T38) (stat.error;phot.color;em.opt.B)
Q3   Astrometric quality flag, Q (Note T40)   (meta.code.qual)
Fs14.3   Signal-to-noise ratio of the star image(T41) (meta.note)
Source    [HPR] Source of astrometric data (Note T42)   (meta.bib)
Nphoto172   Number of transits for photometry (T43) (meta.number)
VTscat 0.299 mag Estimate of VTmag scatter (T44) (stat.error)
VTmax 9.06 mag VTmag at maximum (15th percentile) (T45) (phot.mag;em.opt.V)
VTmin 9.62 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)
PPM253404   [1/789676] PPM and Supplement (Note T52)   (meta.id.cross)
HD 64568   [1/359083] HD cat. III/135 (T53) (meta.id.cross)
BD   Bonner DM I/119, I/122 (T54) (meta.id.cross)
CoDC-25 5228  Cordoba DM I/114 (T55) (meta.id.cross)
CPDP-25 3039  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.icrs118.40917433 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-26.23404735 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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