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I/276/catalog Tycho Double Star Catalogue (TDSC) (Fabricius+ 2002)
*Main TDSC catalogue (98482 rows)
  recno=93689
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ColumnValue  Explain   (UCD)
_RAJ200022 40 52.714040 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+14 32 57.30973 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195022 38 23.900232 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+14 17 09.24201 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon081.679080526 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-37.651521345 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)
93689recno 93689  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TDSC62057  (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)
RAJ2000340.2189983 deg (i) Right ascension (ICRS), at epoch EpRA (pos.eq.ra;meta.main)
DEJ2000+14.5489408 deg (i) Declination (ICRS) at epoch EpDE (pos.eq.dec;meta.main)
EpRA1991.81 a Epoch of right ascension (time.epoch)
EpDE1991.69 a Epoch of declination (time.epoch)
e_RAJ2000 4 mas Standard error of RA*cos(dec) (stat.error;pos.eq.ra)
e_DEJ2000 5 mas Standard error of Dec (stat.error;pos.eq.dec)
posflgN   [ NTH] position flag (Note 3)   (meta.ref;pos.frame)
pmRA 273.8 mas/a Proper motion in RA*cos(dec) (pos.pm;pos.eq.ra)
pmDE 137.1 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 0.8 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)
BTmag 7.82 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 7.22 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)
magflgA   [ AFTBVH] photometry flag (Note 5)   (meta.ref;pos.frame)
TYC11158   [1,9537] TYC1 (Note 6)   (meta.id)
TYC2 457   [1,12119] TYC2 (Note 6)   (meta.id)
TYC3 2   [1,4] TYC3 (Note 6)   (meta.id)
WDS22409+1433   WDS id for the system (Note 7)   (meta.id)
NoteO   [ ADNORSTU] a note (Note 8)   (meta.note)
HIP111974   Hipparcos number from Tycho-2 (meta.id)
CCDMB   Hipparcos component identifier (meta.id)
HD214850   HD identifier (meta.id)
RcmpA   Reference component (meta.code.multip)
PA 63.1 deg Position angle (Note 9)   (pos.posAng)
Sep 0.48 arcsec Separation (Note 9)   (pos.angDistance)
e_PA 0.8 deg Standard error of position angle (stat.error)
Sep*e_PA 7 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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