VizieR

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VizieR

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J/AJ/154/259/table2 Fundamental parameters of Tycho-2 & TGAS stars (Stevens+, 2017)
Catalog Photometry for 1600080 Tycho-2 Stars in Initial Iterative-color Technique Sample (524221 rows)
  recno=432230
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ColumnValue  Explain   (UCD)
_RAJ200020 39 41.4922008 "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)
_DEJ2000-52 19 16.854996 "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)
_RAB195020 36 00.6979496 "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)
_DEB1950-52 29 53.871563 "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)
_Glon346.2332511715 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-37.4732667157 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)
432230recno 432230  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TYC8419-668-1  (i) Tycho-2 identifier (TYC FFFF-NNNNN-N) (meta.id;meta.main)
RAJ2000309.92288417 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000-52.32134861 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
BTmag 12.497 mag [3.296/16.227] Tycho-2 catalog BT band magnitude (Note 1)   (phot.mag;em.opt.B)
e_BTmag 0.223 mag [0.014/1.686] Uncertainty in BTmag (stat.error;phot.mag;em.opt.B)
VTmag11.878 mag [2.139/14.44] Tycho-2 catalog VT band magnitude (Note 1)   (phot.mag;em.opt.V)
e_VTmag 0.180 mag [0.009/0.899] Uncertainty in BTmag (stat.error;phot.mag;em.opt.V)
Jmag 10.714 mag [-0.245/15.767] 2MASS J band magnitude (Note 2)   (phot.mag;em.IR.J)
e_Jmag 0.024 mag [0.016/9.998] Uncertainty in Jmag (stat.error;phot.mag;em.IR.J)
Hmag 10.385 mag [-1.034/15.297] 2MASS H band magnitude (Note 2)   (phot.mag;em.IR.H)
e_Hmag 0.024 mag [0.013/9.998] Uncertainty in Hmag (stat.error;phot.mag;em.IR.H)
Ksmag 10.271 mag [-1.162/15.015] 2MASS Ks band magnitude (Note 2)   (phot.mag;em.IR.K)
e_Ksmag 0.021 mag [0.011/9.998] Uncertainty in Ksmag (stat.error;phot.mag;em.IR.K)
Bmag  mag [2.567/13.449] B band magnitude (Note 3)   (phot.mag;em.opt.B)
e_Bmag  mag Uncertainty in Bmag (stat.error;phot.mag;em.opt.B)
Vmag  mag [2.036/12.655] V band magnitude (Note 3)   (phot.mag;em.opt.V)
e_Vmag  mag [0/0.7] Uncertainty in Vmag (stat.error;phot.mag;em.opt.V)
ymag  mag [2.19/12.804] Stromgren y band magnitude (Note 4)   (phot.mag;em.opt.V)
e_ymag  mag [0/1.098] Uncertainty in ymag (stat.error;phot.mag;em.opt.V)
bmag  mag [3.066/13.204] Stromgren b band magnitude (Note 4)   (phot.mag;em.opt.B)
e_bmag  mag [0/1.11186] Uncertainty in bmag (stat.error;phot.mag;em.opt.B)
  
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