VizieR

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VizieR

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I/276/supplem Tycho Double Star Catalogue (TDSC) (Fabricius+ 2002)
*TDSC supplement (4777 rows)
  recno=1241
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ColumnValue  Explain   (UCD)
_RAJ200006 40 48.885480 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+09 51 44.40096 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195006 38 03.676525 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+09 54 35.99468 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon202.947734342 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+02.147533195 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)
1241recno 1241  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TDSC16013  (i) [1,65210] TDSC number for the system (meta.id;meta.main)
m_TDSCG  Component designation (Note 1)   (meta.code.multip)
Nmain 4   [0,11] Number of components in catalog (Note 2)   (meta.number)
Nsup2   [0,4] Number of components in supplement (Note 2)   (meta.number)
RAJ2000100.2036895 deg (i) Right ascension (ICRS), at epoch EpRA (pos.eq.ra;meta.main)
DEJ2000+09.8623336 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 51 mas Standard error of RA*cos(dec) (stat.error;pos.eq.ra)
e_DEJ2000 39 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)
BTmag  mag BT, Tycho blue magnitude (phot.mag;em.opt.B)
e_BTmag  mag Standard error of BT (stat.error;phot.mag;em.opt.B)
VTmag10.01 mag VT or Hp magnitude (phot.mag;em.opt.V)
e_VTmag 0.05 mag Standard error of VT or Hp (stat.error;phot.mag;em.opt.V)
magflgV   [ AFTBVH] photometry flag (Note 5)   (meta.ref;pos.frame)
TYC1 750   [1,9537] TYC1 (Note 6)   (meta.id)
TYC2 1549   [1,12119] TYC2 (Note 6)   (meta.id)
TYC3 1   [1,4] TYC3 (Note 6)   (meta.id)
WDS06410+0954   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)
HD261841   HD identifier (meta.id)
RcmpF   Reference component (meta.code.multip)
PA262.7 deg Position angle (Note 9)   (pos.posAng)
Sep 39.79 arcsec Separation (Note 9)   (pos.angDistance)
e_PA 0.1 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 50 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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