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=1826987
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200014 18 33.6282284404 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-36 29 51.831991932 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195014 15 32.2227769495 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-36 16 03.449027575 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon321.8616064112981 deg Galactic longitude at Epoch=J1990, proper motions taken into account (pos.galactic.lon)
_Glat+23.1508880116999 deg Galactic latitude at Epoch=J1990, proper motions taken into account (pos.galactic.lat)
1826987recno 1826987  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

IDTyc27294-1725-1  (i) Tycho-2 identifier (TYC1-TYC2-TYC3) (id) (meta.id;meta.main)
HIP   (i) Hipparcos number (hip) (meta.id.cross)
TYC1 7294  TYC1 component from TYC or GSC (tyc1) (meta.id.part;meta.main)
TYC2 1725  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)
TYC7294017251  Numeric Tycho-2 identifier ((tyc1*1000000)+(tyc2*10)+(tyc3)) (id_tycho) (meta.id;meta.dataset)
IDTyc1   Tycho-1 star (tyc) (meta.code)
RAT214.64018500000 deg (i) Observed Tycho-2 Right Ascension (ICRS) at epoch 1990+EpRA1990 (ra) (pos.eq.ra;meta.main)
e_RAT 63.2 mas Uncertainty RA*cos(dec), of observed Tycho-2 RA (eradeg) (stat.error)
DET-36.49773722000 deg (i) Observed Tycho-2 Declination (ICRS) at epoch 1990+EpDE1990 (dec) (pos.eq.dec;meta.main)
e_DET 67.7 mas Uncertainty of observed Tycho-2 Dec (ededeg) (stat.error)
RAmdeg214.64012887000 deg Mean Right Ascension (ICRS) at Ep=J2000 (ra_mdeg) (pos.eq.ra)
e_RAmdeg 59.0 mas Uncertainty RA*cos(dec),at mean epoch (eramdeg) (stat.error)
DEmdeg-36.49773223000 deg Mean Declination (ICRS) at Ep=J2000 (de_mdeg) (pos.eq.dec)
e_DEmdeg 63.0 mas Uncertainty of Dec at mean epoch (edemdeg) (stat.error)
pmRA -19.5 mas/yr (i) Proper motion in right ascension, pmRA*cos(DE) (pm_ra) (pos.pm;pos.eq.ra)
e_pmRA 2.4 mas/yr Uncertainty proper motion in RA*cos(dec) (epmra) (stat.error;pos.pm;pos.eq.ra)
pmDE 2.2 mas/yr (i) Proper motion in Declination (pm_de) (pos.pm;pos.eq.dec)
e_pmDE 2.4 mas/yr Uncertainty of proper motion in Dec (epmde) (stat.error;pos.pm;pos.eq.dec)
EpRA1990 1.69 yr Epoch-1990 of RAdeg (ep_ra1990) (time.epoch)
EpDE1990 1.74 yr Epoch-1990 of DEdeg (ep_de1990) (time.epoch)
EpRAmdeg1982.55 yr Mean epoch of RAmdeg (epram) (time.epoch)
EpDEmdeg1981.10 yr Mean epoch of DEmdeg (epdem) (time.epoch)
Num 4   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 0.5   Goodness of fit for mean RA (qramdeg) (meta.code.qual)
q_DEmdeg 0.0   Goodness of fit for mean DE (qdemdeg) (meta.code.qual)
q_pmDE 0.0   Goodness of fit for pmDe (qpmde) (meta.code.qual)
q_pmRA 0.5   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)
BTmag12.785 mag Tycho-2 BT magnitude (bt_mag) (phot.mag;em.opt.B)
e_BTmag 0.257 mag Uncertainty of BTmag (ebtmag) (stat.error)
VTmag11.182 mag Tycho-2 VT magnitude (vt_mag) (phot.mag;em.opt.V)
e_VTmag 0.084 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.icrs214.64011761850 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-36.49773110887 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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