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I/276/catalog Tycho Double Star Catalogue (TDSC) (Fabricius+ 2002)
*Main TDSC catalogue (98482 rows)
  recno=37447
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ColumnValue  Explain   (UCD)
_RAJ200008 52 28.591232 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+28 15 32.96736 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 49 28.428891 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+28 26 53.51147 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon196.874590551 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+37.656074031 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)
37447recno 37447  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TDSC24879  (i) [1,65210] TDSC number for the system (meta.id;meta.main)
m_TDSCC  Component designation (Note 1)   (meta.code.multip)
Nmain 2   [0,11] Number of components in catalog (Note 2)   (meta.number)
Nsup0   [0,4] Number of components in supplement (Note 2)   (meta.number)
RAJ2000133.1191681 deg (i) Right ascension (ICRS), at epoch EpRA (pos.eq.ra;meta.main)
DEJ2000+28.2591758 deg (i) Declination (ICRS) at epoch EpDE (pos.eq.dec;meta.main)
EpRA1991.81 a Epoch of right ascension (time.epoch)
EpDE1991.32 a Epoch of declination (time.epoch)
e_RAJ2000 4 mas Standard error of RA*cos(dec) (stat.error;pos.eq.ra)
e_DEJ2000 4 mas Standard error of Dec (stat.error;pos.eq.dec)
posflg    [ NTH] position flag (Note 3)   (meta.ref;pos.frame)
pmRA -14.7 mas/a Proper motion in RA*cos(dec) (pos.pm;pos.eq.ra)
pmDE -8.0 mas/a Proper motion in Dec (pos.pm;pos.eq.dec)
e_pmRA 0.9 mas/a Standard err of prop mot in RA*cos(dec) (stat.error;pos.pm;pos.eq.ra)
e_pmDE 0.9 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)
BTmag 8.34 mag BT, Tycho blue magnitude (phot.mag;em.opt.B)
e_BTmag 0.02 mag Standard error of BT (stat.error;phot.mag;em.opt.B)
VTmag 6.47 mag VT or Hp magnitude (phot.mag;em.opt.V)
e_VTmag 0.01 mag Standard error of VT or Hp (stat.error;phot.mag;em.opt.V)
magflg    [ AFTBVH] photometry flag (Note 5)   (meta.ref;pos.frame)
TYC11949   [1,9537] TYC1 (Note 6)   (meta.id)
TYC2 2013   [1,12119] TYC2 (Note 6)   (meta.id)
TYC3 1   [1,4] TYC3 (Note 6)   (meta.id)
WDS08525+2816   WDS id for the system (Note 7)   (meta.id)
NoteA   [ ADNORSTU] a note (Note 8)   (meta.note)
HIP 43575   Hipparcos number from Tycho-2 (meta.id)
CCDM    Hipparcos component identifier (meta.id)
HD 75716   HD identifier (meta.id)
RcmpA   Reference component (meta.code.multip)
PA200.9 deg Position angle (Note 9)   (pos.posAng)
Sep 278.24 arcsec Separation (Note 9)   (pos.angDistance)
e_PA 0.0 deg Standard error of position angle (stat.error)
Sep*e_PA 5 mas Sep * e_PA (product of the 2 quantities) (pos.posAng)
e_Sep 6 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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