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I/276/catalog Tycho Double Star Catalogue (TDSC) (Fabricius+ 2002)
*Main TDSC catalogue (98482 rows)
  recno=12883
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ColumnValue  Explain   (UCD)
_RAJ200004 04 44.414255 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-03 03 04.79549 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 02 13.263320 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-03 11 10.46141 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon194.031415203 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-37.965270826 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
12883recno 12883  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TDSC 8636  (i) [1,65210] TDSC number for the system (meta.id;meta.main)
m_TDSCA  Component designation (Note 1)   (meta.code.multip)
Nmain 1   [0,11] Number of components in catalog (Note 2)   (meta.number)
Nsup0   [0,4] Number of components in supplement (Note 2)   (meta.number)
RAJ2000061.1846531 deg (i) Right ascension (ICRS), at epoch EpRA (pos.eq.ra;meta.main)
DEJ2000-03.0512272 deg (i) Declination (ICRS) at epoch EpDE (pos.eq.dec;meta.main)
EpRA1991.72 a Epoch of right ascension (time.epoch)
EpDE1991.54 a Epoch of declination (time.epoch)
e_RAJ2000 84 mas Standard error of RA*cos(dec) (stat.error;pos.eq.ra)
e_DEJ2000110 mas Standard error of Dec (stat.error;pos.eq.dec)
posflg    [ NTH] position flag (Note 3)   (meta.ref;pos.frame)
pmRA 176.4 mas/a Proper motion in RA*cos(dec) (pos.pm;pos.eq.ra)
pmDE -45.6 mas/a Proper motion in Dec (pos.pm;pos.eq.dec)
e_pmRA 3.1 mas/a Standard err of prop mot in RA*cos(dec) (stat.error;pos.pm;pos.eq.ra)
e_pmDE 3.3 mas/a Standard err of prop mot in Dec (stat.error;pos.pm;pos.eq.dec)
pmflg    [ PHX] Proper motion flag (Note 4)   (meta.ref;pos.frame)
BTmag13.92 mag BT, Tycho blue magnitude (phot.mag;em.opt.B)
e_BTmag 0.48 mag Standard error of BT (stat.error;phot.mag;em.opt.B)
VTmag11.64 mag VT or Hp magnitude (phot.mag;em.opt.V)
e_VTmag 0.13 mag Standard error of VT or Hp (stat.error;phot.mag;em.opt.V)
magflg    [ AFTBVH] photometry flag (Note 5)   (meta.ref;pos.frame)
TYC14728   [1,9537] TYC1 (Note 6)   (meta.id)
TYC2 212   [1,12119] TYC2 (Note 6)   (meta.id)
TYC3 1   [1,4] TYC3 (Note 6)   (meta.id)
WDS04047-0303   WDS id for the system (Note 7)   (meta.id)
NoteA   [ ADNORSTU] a note (Note 8)   (meta.note)
HIP    Hipparcos number from Tycho-2 (meta.id)
CCDM    Hipparcos component identifier (meta.id)
HD    HD identifier (meta.id)
Rcmp    Reference component (meta.code.multip)
PA  deg Position angle (Note 9)   (pos.posAng)
Sep  arcsec Separation (Note 9)   (pos.angDistance)
e_PA  deg Standard error of position angle (stat.error)
Sep*e_PA  mas Sep * e_PA (product of the 2 quantities) (pos.posAng)
e_Sep  mas Standard error of separation (stat.error)

Tycho-2Tycho-2  Display the data of all Tycho-2 stars having this TYC1 and TYC2 numbers (meta.ref.url)
  
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