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I/276/catalog Tycho Double Star Catalogue (TDSC) (Fabricius+ 2002)
*Main TDSC catalogue (98482 rows)
  recno=30662
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ColumnValue  Explain   (UCD)
_RAJ200007 40 58.273138 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-16 30 42.17040 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195007 38 42.429642 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-16 23 39.34023 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon233.247678601 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+03.060614306 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)
30662recno 30662  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TDSC20501  (i) [1,65210] TDSC number for the system (meta.id;meta.main)
m_TDSCD  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)
RAJ2000115.2428069 deg (i) Right ascension (ICRS), at epoch EpRA (pos.eq.ra;meta.main)
DEJ2000-16.5117186 deg (i) Declination (ICRS) at epoch EpDE (pos.eq.dec;meta.main)
EpRA1991.72 a Epoch of right ascension (time.epoch)
EpDE1991.72 a Epoch of declination (time.epoch)
e_RAJ2000 37 mas Standard error of RA*cos(dec) (stat.error;pos.eq.ra)
e_DEJ2000 43 mas Standard error of Dec (stat.error;pos.eq.dec)
posflg    [ NTH] position flag (Note 3)   (meta.ref;pos.frame)
pmRA -0.9 mas/a Proper motion in RA*cos(dec) (pos.pm;pos.eq.ra)
pmDE 2.0 mas/a Proper motion in Dec (pos.pm;pos.eq.dec)
e_pmRA 1.8 mas/a Standard err of prop mot in RA*cos(dec) (stat.error;pos.pm;pos.eq.ra)
e_pmDE 1.9 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)
BTmag11.20 mag BT, Tycho blue magnitude (phot.mag;em.opt.B)
e_BTmag 0.05 mag Standard error of BT (stat.error;phot.mag;em.opt.B)
VTmag11.23 mag VT or Hp magnitude (phot.mag;em.opt.V)
e_VTmag 0.08 mag Standard error of VT or Hp (stat.error;phot.mag;em.opt.V)
magflg    [ AFTBVH] photometry flag (Note 5)   (meta.ref;pos.frame)
TYC15980   [1,9537] TYC1 (Note 6)   (meta.id)
TYC2 1681   [1,12119] TYC2 (Note 6)   (meta.id)
TYC3 1   [1,4] TYC3 (Note 6)   (meta.id)
WDS07410-1629   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)
RcmpC   Reference component (meta.code.multip)
PA142.5 deg Position angle (Note 9)   (pos.posAng)
Sep 8.48 arcsec Separation (Note 9)   (pos.angDistance)
e_PA 0.3 deg Standard error of position angle (stat.error)
Sep*e_PA 43 mas Sep * e_PA (product of the 2 quantities) (pos.posAng)
e_Sep 46 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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