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=1143325
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200004 51 13.3491781144 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+68 10 07.627987999 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 46 01.2301512305 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+68 05 00.871889913 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon142.3897403990839 deg Galactic longitude at Epoch=J1990, proper motions taken into account (pos.galactic.lon)
_Glat+14.9236379846237 deg Galactic latitude at Epoch=J1990, proper motions taken into account (pos.galactic.lat)
1143325recno 1143325  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

IDTyc24342-2633-1  (i) Tycho-2 identifier (TYC1-TYC2-TYC3) (id) (meta.id;meta.main)
HIP 22552  (i) Hipparcos number (hip) (meta.id.cross)
TYC1 4342  TYC1 component from TYC or GSC (tyc1) (meta.id.part;meta.main)
TYC2 2633  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)
TYC4342026331  Numeric Tycho-2 identifier ((tyc1*1000000)+(tyc2*10)+(tyc3)) (id_tycho) (meta.id;meta.dataset)
IDTyc1T  Tycho-1 star (tyc) (meta.code)
RAT 72.80563278000 deg (i) Observed Tycho-2 Right Ascension (ICRS) at epoch 1990+EpRA1990 (ra) (pos.eq.ra;meta.main)
e_RAT 4.0 mas Uncertainty RA*cos(dec), of observed Tycho-2 RA (eradeg) (stat.error)
DET+68.16879833000 deg (i) Observed Tycho-2 Declination (ICRS) at epoch 1990+EpDE1990 (dec) (pos.eq.dec;meta.main)
e_DET 3.7 mas Uncertainty of observed Tycho-2 Dec (ededeg) (stat.error)
RAmdeg 72.80562373000 deg Mean Right Ascension (ICRS) at Ep=J2000 (ra_mdeg) (pos.eq.ra)
e_RAmdeg 4.0 mas Uncertainty RA*cos(dec),at mean epoch (eramdeg) (stat.error)
DEmdeg+68.16878793000 deg Mean Declination (ICRS) at Ep=J2000 (de_mdeg) (pos.eq.dec)
e_DEmdeg 4.0 mas Uncertainty of Dec at mean epoch (edemdeg) (stat.error)
pmRA -1.5 mas/yr (i) Proper motion in right ascension, pmRA*cos(DE) (pm_ra) (pos.pm;pos.eq.ra)
e_pmRA 1.1 mas/yr Uncertainty proper motion in RA*cos(dec) (epmra) (stat.error;pos.pm;pos.eq.ra)
pmDE -4.6 mas/yr (i) Proper motion in Declination (pm_de) (pos.pm;pos.eq.dec)
e_pmDE 1.1 mas/yr Uncertainty of proper motion in Dec (epmde) (stat.error;pos.pm;pos.eq.dec)
EpRA1990 1.68 yr Epoch-1990 of RAdeg (ep_ra1990) (time.epoch)
EpDE1990 1.83 yr Epoch-1990 of DEdeg (ep_de1990) (time.epoch)
EpRAmdeg1991.52 yr Mean epoch of RAmdeg (epram) (time.epoch)
EpDEmdeg1991.67 yr Mean epoch of DEmdeg (epdem) (time.epoch)
Num10   Number of positions used for forming mean data (num) (meta.number)
Corr 0.1   Correlation (RAdeg,DEdeg) (corr) (stat.correlation;pos.eq.ra;pos.eq.dec)
q_RAmdeg 2.2   Goodness of fit for mean RA (qramdeg) (meta.code.qual)
q_DEmdeg 1.8   Goodness of fit for mean DE (qdemdeg) (meta.code.qual)
q_pmDE 1.7   Goodness of fit for pmDe (qpmde) (meta.code.qual)
q_pmRA 2.3   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)
BTmag11.028 mag Tycho-2 BT magnitude (bt_mag) (phot.mag;em.opt.B)
e_BTmag 0.032 mag Uncertainty of BTmag (ebtmag) (stat.error)
VTmag 7.054 mag Tycho-2 VT magnitude (vt_mag) (phot.mag;em.opt.V)
e_VTmag 0.009 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.icrs 72.80562157548 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+68.16878555222 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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