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=2723
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ColumnValue  Explain   (UCD)
_RAJ200014 15 39.666768 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+19 10 56.44497 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195014 13 22.738468 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+19 26 30.70895 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon015.049866176 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+69.111288251 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)
2723recno 2723  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TDSC37320  (i) [1,65210] TDSC number for the system (meta.id;meta.main)
m_TDSCB  Component designation (Note 1)   (meta.code.multip)
Nmain 0   [0,11] Number of components in catalog (Note 2)   (meta.number)
Nsup2   [0,4] Number of components in supplement (Note 2)   (meta.number)
RAJ2000213.9180920 deg (i) Right ascension (ICRS), at epoch EpRA (pos.eq.ra;meta.main)
DEJ2000+19.1872055 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 26 mas Standard error of RA*cos(dec) (stat.error;pos.eq.ra)
e_DEJ2000 35 mas Standard error of Dec (stat.error;pos.eq.dec)
posflgH   [ NTH] position flag (Note 3)   (meta.ref;pos.frame)
pmRA-1093.4 mas/a Proper motion in RA*cos(dec) (pos.pm;pos.eq.ra)
pmDE-1999.4 mas/a Proper motion in Dec (pos.pm;pos.eq.dec)
e_pmRA 0.6 mas/a Standard err of prop mot in RA*cos(dec) (stat.error;pos.pm;pos.eq.ra)
e_pmDE 0.5 mas/a Standard err of prop mot in Dec (stat.error;pos.pm;pos.eq.dec)
pmflgH   [ 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)
VTmag 3.49 mag VT or Hp magnitude (phot.mag;em.opt.V)
e_VTmag 0.30 mag Standard error of VT or Hp (stat.error;phot.mag;em.opt.V)
magflgH   [ AFTBVH] photometry flag (Note 5)   (meta.ref;pos.frame)
TYC11472   [1,9537] TYC1 (Note 6)   (meta.id)
TYC2 1436   [1,12119] TYC2 (Note 6)   (meta.id)
TYC3 2   [1,4] TYC3 (Note 6)   (meta.id)
WDS14157+1911   WDS id for the system (Note 7)   (meta.id)
Note    [ ADNORSTU] a note (Note 8)   (meta.note)
HIP 69673   Hipparcos number from Tycho-2 (meta.id)
CCDMB   Hipparcos component identifier (meta.id)
HD    HD identifier (meta.id)
RcmpA   Reference component (meta.code.multip)
PA197.9 deg Position angle (Note 9)   (pos.posAng)
Sep 0.26 arcsec Separation (Note 9)   (pos.angDistance)
e_PA 3.7 deg Standard error of position angle (stat.error)
Sep*e_PA 17 mas Sep * e_PA (product of the 2 quantities) (pos.posAng)
e_Sep 41 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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