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I/276/supplem Tycho Double Star Catalogue (TDSC) (Fabricius+ 2002)
*TDSC supplement (4777 rows)
  recno=483
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ColumnValue  Explain   (UCD)
_RAJ200002 51 31.715040 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+60 35 07.64376 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 47 38.407158 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+60 22 47.71693 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon137.159491090 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+01.074554241 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)
483recno 483  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TDSC 6309  (i) [1,65210] TDSC number for the system (meta.id;meta.main)
m_TDSCA  Component designation (Note 1)   (meta.code.multip)
Nmain 0   [0,11] Number of components in catalog (Note 2)   (meta.number)
Nsup1   [0,4] Number of components in supplement (Note 2)   (meta.number)
RAJ2000042.8821460 deg (i) Right ascension (ICRS), at epoch EpRA (pos.eq.ra;meta.main)
DEJ2000+60.5854566 deg (i) Declination (ICRS) at epoch EpDE (pos.eq.dec;meta.main)
EpRA1991.25 a Epoch of right ascension (time.epoch)
EpDE1991.25 a Epoch of declination (time.epoch)
e_RAJ2000 36 mas Standard error of RA*cos(dec) (stat.error;pos.eq.ra)
e_DEJ2000 31 mas Standard error of Dec (stat.error;pos.eq.dec)
posflgT   [ 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)
BTmag11.59 mag BT, Tycho blue magnitude (phot.mag;em.opt.B)
e_BTmag 0.11 mag Standard error of BT (stat.error;phot.mag;em.opt.B)
VTmag10.88 mag VT or Hp magnitude (phot.mag;em.opt.V)
e_VTmag 0.09 mag Standard error of VT or Hp (stat.error;phot.mag;em.opt.V)
magflgT   [ AFTBVH] photometry flag (Note 5)   (meta.ref;pos.frame)
TYC14048   [1,9537] TYC1 (Note 6)   (meta.id)
TYC2 1243   [1,12119] TYC2 (Note 6)   (meta.id)
TYC3 1   [1,4] TYC3 (Note 6)   (meta.id)
WDS02515+6035   WDS id for the system (Note 7)   (meta.id)
NoteA   [ 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)
Rcmp    Reference component (meta.code.multip)
PA  deg Position angle (Note 9)   (pos.posAng)
Sep  arcsec Separation (Note 9)   (pos.angDistance)
e_PA  deg Standard error of position angle (stat.error)
Sep*e_PA  mas Sep * e_PA (product of the 2 quantities) (pos.posAng)
e_Sep  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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