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=1392146
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ColumnValue  Explain   (UCD)
_RAJ200009 28 32.0185800319 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-08 19 03.136995995 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195009 26 04.2751293829 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-08 05 55.012372537 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon241.3430781899209 deg Galactic longitude at Epoch=J1990, proper motions taken into account (pos.galactic.lon)
_Glat+29.4392433132559 deg Galactic latitude at Epoch=J1990, proper motions taken into account (pos.galactic.lat)
1392146recno 1392146  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

IDTyc25460-350-1  (i) Tycho-2 identifier (TYC1-TYC2-TYC3) (id) (meta.id;meta.main)
HIP   (i) Hipparcos number (hip) (meta.id.cross)
TYC1 5460  TYC1 component from TYC or GSC (tyc1) (meta.id.part;meta.main)
TYC2 350  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)
TYC5460003501  Numeric Tycho-2 identifier ((tyc1*1000000)+(tyc2*10)+(tyc3)) (id_tycho) (meta.id;meta.dataset)
IDTyc1   Tycho-1 star (tyc) (meta.code)
RAT142.13344528000 deg (i) Observed Tycho-2 Right Ascension (ICRS) at epoch 1990+EpRA1990 (ra) (pos.eq.ra;meta.main)
e_RAT132.7 mas Uncertainty RA*cos(dec), of observed Tycho-2 RA (eradeg) (stat.error)
DET -8.31752611000 deg (i) Observed Tycho-2 Declination (ICRS) at epoch 1990+EpDE1990 (dec) (pos.eq.dec;meta.main)
e_DET149.8 mas Uncertainty of observed Tycho-2 Dec (ededeg) (stat.error)
RAmdeg142.13341716000 deg Mean Right Ascension (ICRS) at Ep=J2000 (ra_mdeg) (pos.eq.ra)
e_RAmdeg117.0 mas Uncertainty RA*cos(dec),at mean epoch (eramdeg) (stat.error)
DEmdeg -8.31753617000 deg Mean Declination (ICRS) at Ep=J2000 (de_mdeg) (pos.eq.dec)
e_DEmdeg130.0 mas Uncertainty of Dec at mean epoch (edemdeg) (stat.error)
pmRA -12.3 mas/yr (i) Proper motion in right ascension, pmRA*cos(DE) (pm_ra) (pos.pm;pos.eq.ra)
e_pmRA 2.8 mas/yr Uncertainty proper motion in RA*cos(dec) (epmra) (stat.error;pos.pm;pos.eq.ra)
pmDE -4.3 mas/yr (i) Proper motion in Declination (pm_de) (pos.pm;pos.eq.dec)
e_pmDE 3.1 mas/yr Uncertainty of proper motion in Dec (epmde) (stat.error;pos.pm;pos.eq.dec)
EpRA1990 1.73 yr Epoch-1990 of RAdeg (ep_ra1990) (time.epoch)
EpDE1990 1.74 yr Epoch-1990 of DEdeg (ep_de1990) (time.epoch)
EpRAmdeg1969.06 yr Mean epoch of RAmdeg (epram) (time.epoch)
EpDEmdeg1967.47 yr Mean epoch of DEmdeg (epdem) (time.epoch)
Num 3   Number of positions used for forming mean data (num) (meta.number)
Corr 0.2   Correlation (RAdeg,DEdeg) (corr) (stat.correlation;pos.eq.ra;pos.eq.dec)
q_RAmdeg 0.0   Goodness of fit for mean RA (qramdeg) (meta.code.qual)
q_DEmdeg 1.2   Goodness of fit for mean DE (qdemdeg) (meta.code.qual)
q_pmDE 1.2   Goodness of fit for pmDe (qpmde) (meta.code.qual)
q_pmRA 0.0   Goodness of fit for pmRa (qpmra) (meta.code.qual)
pflag   Mean position flag (pflag) (meta.code)
posflg   Type of Tycho-2 solution (posflg) (meta.id;stat.fit)
CCDM   CCDM component identifier for HIP stars (ccdm) (meta.code.multip)
prox999   Proximity indicator (prox) (meta.code)
BTmag13.024 mag Tycho-2 BT magnitude (bt_mag) (phot.mag;em.opt.B)
e_BTmag 0.386 mag Uncertainty of BTmag (ebtmag) (stat.error)
VTmag11.776 mag Tycho-2 VT magnitude (vt_mag) (phot.mag;em.opt.V)
e_VTmag 0.210 mag Uncertainty of VTmag (evtmag) (stat.error)
TDSC   (i) TDSC identifier for the system (sys_no) (meta.id)
cmp   Component designation (cmp) (meta.id.part)
Nmain    Number of components in TDSC main catalogue (n_main) (meta.number)
Nsup    Number of components in the TDSC supplement (n_sup) (meta.number)
magflg   TDSC photometry flag (magflg) (meta.code)
WDS   (i) WDS identifier for the system (wds) (meta.id.cross)
Note   TDSC notes (note) (meta.note)
HD    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.icrs142.13341075013 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs -8.31753805444 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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