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I/276/catalog Tycho Double Star Catalogue (TDSC) (Fabricius+ 2002)
*Main TDSC catalogue (98482 rows)
  recno=52759
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ColumnValue  Explain   (UCD)
_RAJ200013 00 43.755864 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+56 21 59.33988 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195012 58 35.980115 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+56 38 07.51981 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon120.301581614 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+60.714290312 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)
52759recno 52759  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TDSC34727  (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)
RAJ2000195.1823161 deg (i) Right ascension (ICRS), at epoch EpRA (pos.eq.ra;meta.main)
DEJ2000+56.3664833 deg (i) Declination (ICRS) at epoch EpDE (pos.eq.dec;meta.main)
EpRA1991.63 a Epoch of right ascension (time.epoch)
EpDE1991.61 a Epoch of declination (time.epoch)
e_RAJ2000 6 mas Standard error of RA*cos(dec) (stat.error;pos.eq.ra)
e_DEJ2000 6 mas Standard error of Dec (stat.error;pos.eq.dec)
posflgN   [ NTH] position flag (Note 3)   (meta.ref;pos.frame)
pmRA  mas/a Proper motion in RA*cos(dec) (pos.pm;pos.eq.ra)
pmDE  mas/a Proper motion in Dec (pos.pm;pos.eq.dec)
e_pmRA  mas/a Standard err of prop mot in RA*cos(dec) (stat.error;pos.pm;pos.eq.ra)
e_pmDE  mas/a Standard err of prop mot in Dec (stat.error;pos.pm;pos.eq.dec)
pmflgX   [ PHX] Proper motion flag (Note 4)   (meta.ref;pos.frame)
BTmag 8.89 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 7.88 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)
TYC13845   [1,9537] TYC1 (Note 6)   (meta.id)
TYC2 1189   [1,12119] TYC2 (Note 6)   (meta.id)
TYC3 2   [1,4] TYC3 (Note 6)   (meta.id)
WDS13007+5622   WDS id for the system (Note 7)   (meta.id)
Note    [ ADNORSTU] a note (Note 8)   (meta.note)
HIP 63503   Hipparcos number from Tycho-2 (meta.id)
CCDMB   Hipparcos component identifier (meta.id)
HD    HD identifier (meta.id)
RcmpA   Reference component (meta.code.multip)
PA 68.4 deg Position angle (Note 9)   (pos.posAng)
Sep 1.48 arcsec Separation (Note 9)   (pos.angDistance)
e_PA 0.3 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 7 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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