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I/276/catalog Tycho Double Star Catalogue (TDSC) (Fabricius+ 2002)
*Main TDSC catalogue (98482 rows)
  recno=13024
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ColumnValue  Explain   (UCD)
_RAJ200004 07 22.996250 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+38 01 26.29504 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 04 03.510715 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+37 53 27.55743 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon160.101904758 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-10.323235693 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)
13024recno 13024  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TDSC 8728  (i) [1,65210] TDSC number for the system (meta.id;meta.main)
m_TDSCB  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)
RAJ2000061.8458372 deg (i) Right ascension (ICRS), at epoch EpRA (pos.eq.ra;meta.main)
DEJ2000+38.0239917 deg (i) Declination (ICRS) at epoch EpDE (pos.eq.dec;meta.main)
EpRA1991.75 a Epoch of right ascension (time.epoch)
EpDE1991.32 a Epoch of declination (time.epoch)
e_RAJ2000 30 mas Standard error of RA*cos(dec) (stat.error;pos.eq.ra)
e_DEJ2000 48 mas Standard error of Dec (stat.error;pos.eq.dec)
posflgN   [ NTH] position flag (Note 3)   (meta.ref;pos.frame)
pmRA -6.7 mas/a Proper motion in RA*cos(dec) (pos.pm;pos.eq.ra)
pmDE -9.1 mas/a Proper motion in Dec (pos.pm;pos.eq.dec)
e_pmRA 2.4 mas/a Standard err of prop mot in RA*cos(dec) (stat.error;pos.pm;pos.eq.ra)
e_pmDE 2.3 mas/a Standard err of prop mot in Dec (stat.error;pos.pm;pos.eq.dec)
pmflgP   [ PHX] Proper motion flag (Note 4)   (meta.ref;pos.frame)
BTmag11.72 mag BT, Tycho blue magnitude (phot.mag;em.opt.B)
e_BTmag 0.07 mag Standard error of BT (stat.error;phot.mag;em.opt.B)
VTmag10.71 mag VT or Hp magnitude (phot.mag;em.opt.V)
e_VTmag 0.05 mag Standard error of VT or Hp (stat.error;phot.mag;em.opt.V)
magflg    [ AFTBVH] photometry flag (Note 5)   (meta.ref;pos.frame)
TYC12877   [1,9537] TYC1 (Note 6)   (meta.id)
TYC2 556   [1,12119] TYC2 (Note 6)   (meta.id)
TYC3 2   [1,4] TYC3 (Note 6)   (meta.id)
WDS04074+3801   WDS id for the system (Note 7)   (meta.id)
Note    [ 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)
RcmpA   Reference component (meta.code.multip)
PA305.1 deg Position angle (Note 9)   (pos.posAng)
Sep 1.31 arcsec Separation (Note 9)   (pos.angDistance)
e_PA 2.0 deg Standard error of position angle (stat.error)
Sep*e_PA 46 mas Sep * e_PA (product of the 2 quantities) (pos.posAng)
e_Sep 36 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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