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=590557
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ColumnValue  Explain   (UCD)
_RAJ200011 41 03.0144168064 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+34 12 05.262003973 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195011 38 25.2830758820 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+34 29 02.420732112 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon183.5465856553253 deg Galactic longitude at Epoch=J1990, proper motions taken into account (pos.galactic.lon)
_Glat+73.3243508376462 deg Galactic latitude at Epoch=J1990, proper motions taken into account (pos.galactic.lat)
590557recno 590557  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

IDTyc22525-2445-1  (i) Tycho-2 identifier (TYC1-TYC2-TYC3) (id) (meta.id;meta.main)
HIP 56997  (i) Hipparcos number (hip) (meta.id.cross)
TYC1 2525  TYC1 component from TYC or GSC (tyc1) (meta.id.part;meta.main)
TYC2 2445  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)
TYC2525024451  Numeric Tycho-2 identifier ((tyc1*1000000)+(tyc2*10)+(tyc3)) (id_tycho) (meta.id;meta.dataset)
IDTyc1T  Tycho-1 star (tyc) (meta.code)
RAT175.26260306000 deg (i) Observed Tycho-2 Right Ascension (ICRS) at epoch 1990+EpRA1990 (ra) (pos.eq.ra;meta.main)
e_RAT 3.6 mas Uncertainty RA*cos(dec), of observed Tycho-2 RA (eradeg) (stat.error)
DET+34.20251889000 deg (i) Observed Tycho-2 Declination (ICRS) at epoch 1990+EpDE1990 (dec) (pos.eq.dec;meta.main)
e_DET 3.6 mas Uncertainty of observed Tycho-2 Dec (ededeg) (stat.error)
RAmdeg175.26256758000 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+34.20163504000 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 -12.8 mas/yr (i) Proper motion in right ascension, pmRA*cos(DE) (pm_ra) (pos.pm;pos.eq.ra)
e_pmRA 0.8 mas/yr Uncertainty proper motion in RA*cos(dec) (epmra) (stat.error;pos.pm;pos.eq.ra)
pmDE -380.6 mas/yr (i) Proper motion in Declination (pm_de) (pos.pm;pos.eq.dec)
e_pmDE 0.8 mas/yr Uncertainty of proper motion in Dec (epmde) (stat.error;pos.pm;pos.eq.dec)
EpRA1990 1.74 yr Epoch-1990 of RAdeg (ep_ra1990) (time.epoch)
EpDE1990 1.64 yr Epoch-1990 of DEdeg (ep_de1990) (time.epoch)
EpRAmdeg1991.18 yr Mean epoch of RAmdeg (epram) (time.epoch)
EpDEmdeg1991.18 yr Mean epoch of DEmdeg (epdem) (time.epoch)
Num20   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 0.8   Goodness of fit for mean RA (qramdeg) (meta.code.qual)
q_DEmdeg 0.5   Goodness of fit for mean DE (qdemdeg) (meta.code.qual)
q_pmDE 0.6   Goodness of fit for pmDe (qpmde) (meta.code.qual)
q_pmRA 0.6   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)
BTmag 6.217 mag Tycho-2 BT magnitude (bt_mag) (phot.mag;em.opt.B)
e_BTmag 0.014 mag Uncertainty of BTmag (ebtmag) (stat.error)
VTmag 5.390 mag Tycho-2 VT magnitude (vt_mag) (phot.mag;em.opt.V)
e_VTmag 0.009 mag Uncertainty of VTmag (evtmag) (stat.error)
TDSC31984  (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)
magflg   TDSC photometry flag (magflg) (meta.code)
WDS11411+3412  (i) WDS identifier for the system (wds) (meta.id.cross)
Note   TDSC notes (note) (meta.note)
HD101501   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.icrs175.26256007003 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+34.20146166777 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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