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I/276/catalog Tycho Double Star Catalogue (TDSC) (Fabricius+ 2002)
*Main TDSC catalogue (98482 rows)
  recno=40606
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ColumnValue  Explain   (UCD)
_RAJ200009 35 23.610842 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+39 57 26.33660 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195009 32 16.433116 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+40 10 50.76978 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon182.322654172 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+47.757128161 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)
40606recno 40606  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TDSC26891  (i) [1,65210] TDSC number for the system (meta.id;meta.main)
m_TDSCB  Component designation (Note 1)   (meta.code.multip)
Nmain 4   [0,11] Number of components in catalog (Note 2)   (meta.number)
Nsup0   [0,4] Number of components in supplement (Note 2)   (meta.number)
RAJ2000143.8483942 deg (i) Right ascension (ICRS), at epoch EpRA (pos.eq.ra;meta.main)
DEJ2000+39.9572869 deg (i) Declination (ICRS) at epoch EpDE (pos.eq.dec;meta.main)
EpRA1991.83 a Epoch of right ascension (time.epoch)
EpDE1991.91 a Epoch of declination (time.epoch)
e_RAJ2000 6 mas Standard error of RA*cos(dec) (stat.error;pos.eq.ra)
e_DEJ2000 9 mas Standard error of Dec (stat.error;pos.eq.dec)
posflg    [ NTH] position flag (Note 3)   (meta.ref;pos.frame)
pmRA -5.3 mas/a Proper motion in RA*cos(dec) (pos.pm;pos.eq.ra)
pmDE 12.7 mas/a Proper motion in Dec (pos.pm;pos.eq.dec)
e_pmRA 1.4 mas/a Standard err of prop mot in RA*cos(dec) (stat.error;pos.pm;pos.eq.ra)
e_pmDE 1.5 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 8.39 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 7.98 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)
TYC12992   [1,9537] TYC1 (Note 6)   (meta.id)
TYC2 1687   [1,12119] TYC2 (Note 6)   (meta.id)
TYC3 1   [1,4] TYC3 (Note 6)   (meta.id)
WDS09354+3958   WDS id for the system (Note 7)   (meta.id)
Note    [ ADNORSTU] a note (Note 8)   (meta.note)
HIP 47054   Hipparcos number from Tycho-2 (meta.id)
CCDMB   Hipparcos component identifier (meta.id)
HD    HD identifier (meta.id)
RcmpA   Reference component (meta.code.multip)
PA149.1 deg Position angle (Note 9)   (pos.posAng)
Sep 25.01 arcsec Separation (Note 9)   (pos.angDistance)
e_PA 0.0 deg Standard error of position angle (stat.error)
Sep*e_PA 9 mas Sep * e_PA (product of the 2 quantities) (pos.posAng)
e_Sep 9 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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