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=886507
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200017 39 27.8831320909 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+46 00 22.790983979 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195017 38 03.0763762751 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+46 01 55.298050018 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon 72.3218782200772 deg Galactic longitude at Epoch=J1990, proper motions taken into account (pos.galactic.lon)
_Glat+31.2650127653733 deg Galactic latitude at Epoch=J1990, proper motions taken into account (pos.galactic.lat)
886507recno 886507  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

IDTyc23510-1876-1  (i) Tycho-2 identifier (TYC1-TYC2-TYC3) (id) (meta.id;meta.main)
HIP 86414  (i) Hipparcos number (hip) (meta.id.cross)
TYC1 3510  TYC1 component from TYC or GSC (tyc1) (meta.id.part;meta.main)
TYC2 1876  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)
TYC3510018761  Numeric Tycho-2 identifier ((tyc1*1000000)+(tyc2*10)+(tyc3)) (id_tycho) (meta.id;meta.dataset)
IDTyc1T  Tycho-1 star (tyc) (meta.code)
RAT264.86621611000 deg (i) Observed Tycho-2 Right Ascension (ICRS) at epoch 1990+EpRA1990 (ra) (pos.eq.ra;meta.main)
e_RAT 3.3 mas Uncertainty RA*cos(dec), of observed Tycho-2 RA (eradeg) (stat.error)
DET+46.00632194000 deg (i) Observed Tycho-2 Declination (ICRS) at epoch 1990+EpDE1990 (dec) (pos.eq.dec;meta.main)
e_DET 3.2 mas Uncertainty of observed Tycho-2 Dec (ededeg) (stat.error)
RAmdeg264.86618548000 deg Mean Right Ascension (ICRS) at Ep=J2000 (ra_mdeg) (pos.eq.ra)
e_RAmdeg 3.0 mas Uncertainty RA*cos(dec),at mean epoch (eramdeg) (stat.error)
DEmdeg+46.00632921000 deg Mean Declination (ICRS) at Ep=J2000 (de_mdeg) (pos.eq.dec)
e_DEmdeg 3.0 mas Uncertainty of Dec at mean epoch (edemdeg) (stat.error)
pmRA -9.1 mas/yr (i) Proper motion in right ascension, pmRA*cos(DE) (pm_ra) (pos.pm;pos.eq.ra)
e_pmRA 0.6 mas/yr Uncertainty proper motion in RA*cos(dec) (epmra) (stat.error;pos.pm;pos.eq.ra)
pmDE 3.2 mas/yr (i) Proper motion in Declination (pm_de) (pos.pm;pos.eq.dec)
e_pmDE 0.7 mas/yr Uncertainty of proper motion in Dec (epmde) (stat.error;pos.pm;pos.eq.dec)
EpRA1990 1.52 yr Epoch-1990 of RAdeg (ep_ra1990) (time.epoch)
EpDE1990 1.72 yr Epoch-1990 of DEdeg (ep_de1990) (time.epoch)
EpRAmdeg1991.17 yr Mean epoch of RAmdeg (epram) (time.epoch)
EpDEmdeg1991.43 yr Mean epoch of DEmdeg (epdem) (time.epoch)
Num18   Number of positions used for forming mean data (num) (meta.number)
Corr 0.0   Correlation (RAdeg,DEdeg) (corr) (stat.correlation;pos.eq.ra;pos.eq.dec)
q_RAmdeg 1.3   Goodness of fit for mean RA (qramdeg) (meta.code.qual)
q_DEmdeg 0.7   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 1.3   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)
BTmag 3.581 mag Tycho-2 BT magnitude (bt_mag) (phot.mag;em.opt.B)
e_BTmag 0.014 mag Uncertainty of BTmag (ebtmag) (stat.error)
VTmag 3.763 mag Tycho-2 VT magnitude (vt_mag) (phot.mag;em.opt.V)
e_VTmag 0.009 mag Uncertainty of VTmag (evtmag) (stat.error)
TDSC44950  (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)
WDS17395+4600  (i) WDS identifier for the system (wds) (meta.id.cross)
Note   TDSC notes (note) (meta.note)
HD160762   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.icrs264.86617971705 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+46.00633082888 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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