VizieR

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

VizieR

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I/350/tyc2tdsc Gaia EDR3 (Gaia Collaboration, 2020)
Tycho-2 merged with the TDSC catalog and TDSC supplement (2561887 rows)
  recno=975296
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ColumnValue  Explain   (UCD)
_RAJ200003 29 04.1355360000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+59 56 25.202040000 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 25 00.0412177517 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+59 46 05.041100036 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon141.4975958041494 deg Galactic longitude at Epoch=J1990, proper motions taken into account (pos.galactic.lon)
_Glat +2.8781642901617 deg Galactic latitude at Epoch=J1990, proper motions taken into account (pos.galactic.lat)
975296recno 975296  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

IDTyc23715-1248-1  (i) Tycho-2 identifier (TYC1-TYC2-TYC3) (id) (meta.id;meta.main)
HIP 16228  (i) Hipparcos number (hip) (meta.id.cross)
TYC1 3715  TYC1 component from TYC or GSC (tyc1) (meta.id.part;meta.main)
TYC2 1248  TYC2 component from TYC or GSC (tyc2) (meta.id.part;meta.main)
TYC3 1  TYC2 component from TYC or GSC (tyc3) (meta.id.part;meta.main)
TYC3715012481  Numeric Tycho-2 identifier ((tyc1*1000000)+(tyc2*10)+(tyc3)) (id_tycho) (meta.id;meta.dataset)
IDTyc1T  Tycho-1 star (tyc) (meta.code)
RAT 52.26723140000 deg (i) Observed Tycho-2 Right Ascension (ICRS) at epoch 1990+EpRA1990 (ra) (pos.eq.ra;meta.main)
e_RAT 3.0 mas Uncertainty RA*cos(dec), of observed Tycho-2 RA (eradeg) (stat.error)
DET+59.94033390000 deg (i) Observed Tycho-2 Declination (ICRS) at epoch 1990+EpDE1990 (dec) (pos.eq.dec;meta.main)
e_DET 3.0 mas Uncertainty of observed Tycho-2 Dec (ededeg) (stat.error)
RAmdeg  deg Mean Right Ascension (ICRS) at Ep=J2000 (ra_mdeg) (pos.eq.ra)
e_RAmdeg  mas Uncertainty RA*cos(dec),at mean epoch (eramdeg) (stat.error)
DEmdeg  deg Mean Declination (ICRS) at Ep=J2000 (de_mdeg) (pos.eq.dec)
e_DEmdeg  mas Uncertainty of Dec at mean epoch (edemdeg) (stat.error)
pmRA  mas/yr (i) Proper motion in right ascension, pmRA*cos(DE) (pm_ra) (pos.pm;pos.eq.ra)
e_pmRA  mas/yr Uncertainty proper motion in RA*cos(dec) (epmra) (stat.error;pos.pm;pos.eq.ra)
pmDE  mas/yr (i) Proper motion in Declination (pm_de) (pos.pm;pos.eq.dec)
e_pmDE  mas/yr Uncertainty of proper motion in Dec (epmde) (stat.error;pos.pm;pos.eq.dec)
EpRA1990 1.78 yr Epoch-1990 of RAdeg (ep_ra1990) (time.epoch)
EpDE1990 1.64 yr Epoch-1990 of DEdeg (ep_de1990) (time.epoch)
EpRAmdeg  yr Mean epoch of RAmdeg (epram) (time.epoch)
EpDEmdeg  yr Mean epoch of DEmdeg (epdem) (time.epoch)
Num    Number of positions used for forming mean data (num) (meta.number)
Corr 0.3   Correlation (RAdeg,DEdeg) (corr) (stat.correlation;pos.eq.ra;pos.eq.dec)
q_RAmdeg    Goodness of fit for mean RA (qramdeg) (meta.code.qual)
q_DEmdeg    Goodness of fit for mean DE (qdemdeg) (meta.code.qual)
q_pmDE    Goodness of fit for pmDe (qpmde) (meta.code.qual)
q_pmRA    Goodness of fit for pmRa (qpmra) (meta.code.qual)
pflagX  Mean position flag (pflag) (meta.code)
posflgN  Type of Tycho-2 solution (posflg) (meta.id;stat.fit)
CCDMA  CCDM component identifier for HIP stars (ccdm) (meta.code.multip)
prox 25   Proximity indicator (prox) (meta.code)
BTmag 4.620 mag Tycho-2 BT magnitude (bt_mag) (phot.mag;em.opt.B)
e_BTmag 0.010 mag Uncertainty of BTmag (ebtmag) (stat.error)
VTmag 4.230 mag Tycho-2 VT magnitude (vt_mag) (phot.mag;em.opt.V)
e_VTmag 0.010 mag Uncertainty of VTmag (evtmag) (stat.error)
TDSC 7466  (i) TDSC identifier for the system (sys_no) (meta.id)
cmpA  Component designation (cmp) (meta.id.part)
Nmain 2   Number of components in TDSC main catalogue (n_main) (meta.number)
Nsup0   Number of components in the TDSC supplement (n_sup) (meta.number)
magflgA  TDSC photometry flag (magflg) (meta.code)
WDS03291+5956  (i) WDS identifier for the system (wds) (meta.id.cross)
Note   TDSC notes (note) (meta.note)
HD 21291   HD identifier for TDSC entries (hd) (meta.id.cross)
rcmp   Reference component for position angle and separation (rcmp) (meta.id.assoc)
PA  deg Position angle of the present component (cmp) with respect to the reference component (rcmp) (pa) (pos.posAng)
e_PA  deg Uncertainty of the position angle (e_pa) (stat.error)
Sep  arcsec Separation of the present component (cmp) with respect to the reference component (rcmp) (sep) (pos.angDistance)
e_Sep  mas Uncertainty of the separation (e_sep) (stat.error)
e_PA.Sep    Uncertainty of the position angle * separation (epasep) (stat.error)

_RA.icrs 52.26723140000 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+59.94033390000 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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