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J/AJ/154/259/table6 Fundamental parameters of Tycho-2 & TGAS stars (Stevens+, 2017)
Fundamental Parameters of 1600080 Tycho-2 Stars (1600080 rows)
  recno=612464
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ColumnValue  Explain   (UCD)
_RAJ200007 46 40.0779 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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.eq.ra)
_DEJ2000+65 27 20.428 "d:m:s" Declination (FK5, Equinox=J2000.0) (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.eq.dec)
_RAB195007 41 54.5923 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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.eq.ra)
_DEB1950+65 34 40.739 "d:m:s" Declination (FK4, Equinox=B1950.0) (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.eq.dec)
_Glon150.7548114 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+30.1995854 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)
612464recno 612464  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TYC4121-1515-1  (i) Tycho-2 identifier (TYC FFFF-NNNNN-N) (meta.id;meta.main)
logchi2 -0.589 [-] [-14.977/2] Log of the merit function logχ2ν (see text) (stat.fit.chi2)
AV 0.090 mag [0/8.059] V band extinction (phys.absorption;em.opt.V)
e_AV 0.036 mag [0/4.745] Uncertainty in AV (stat.error)
Teff4413.020 K [4059.61/8639.36] Effective temperature (phys.temperature.effective)
e_Teff 56.452 K [0/135101] Uncertainty in Teff (stat.error;phys.temperature.effective)
logFb -6.702 [mW/m2] [-10.554/-4.887] Log bolometric flux logFbol (in erg/s/cm2) (phot.flux.bol)
e_logFb -8.399 [mW/m2] [-25.645/-6.118] Uncertainty in logFb (stat.error)
theta1253.434 uarcsec [7.776/7986.31] Angular diameter θ (phys.angSize)
e_theta 34.679 uarcsec [0.001/12639.9] Uncertainty in theta (stat.error;pos.posAng)
Teffs  K [3000/10394] Spectroscopic effective temperature (phys.temperature.effective)
e_Teffs  K [1/2880] Uncertainty in Teffs (stat.error)
[Fe/H]  [Sun] [-7.71/0.4] Metallicity (phys.abund.Z)
e_[Fe/H]  [Sun] [0.00130465/6.185] Uncertainty in [Fe/H] (stat.error;phys.abund.Fe)
log(g)  [cm/s2] [-0.208/5.5] Log surface gravity (not in Table 3) (phys.gravity)
e_log(g)  [cm/s2] [0.00414126/1.359] Uncertainty in log(g) (not in Table 3) (stat.error)
Source-99.999   Spectroscopy source (RAVE, LAMOST, APOGEE) (meta.id)
Flg20   [0/1] Hot flag (not in Table 3) (Note 2)   (meta.code)

SimbadNameTYC 4121-1515-1  Designation understandable by the Simbad data-base (meta.id)
_RA116.66699 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE+65.45567 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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