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=163313
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ColumnValue  Explain   (UCD)
_RAJ200007 46 40.0408656 "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 20.284992 "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 54.5553623 "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 40.593813 "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)
_Glon150.7548576510 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+30.1995215376 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)
163313recno 163313  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)
RAJ2000116.66683694 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+65.45563472 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
BTmag 7.471 mag [3.296/16.227] Tycho-2 catalog BT band magnitude (Note 1)   (phot.mag;em.opt.B)
e_BTmag 0.015 mag [0.014/1.686] Uncertainty in BTmag (stat.error;phot.mag;em.opt.B)
VTmag 6.059 mag [2.139/14.44] Tycho-2 catalog VT band magnitude (Note 1)   (phot.mag;em.opt.V)
e_VTmag 0.009 mag [0.009/0.899] Uncertainty in BTmag (stat.error;phot.mag;em.opt.V)
Jmag 3.428 mag [-0.245/15.767] 2MASS J band magnitude (Note 2)   (phot.mag;em.IR.J)
e_Jmag 0.220 mag [0.016/9.998] Uncertainty in Jmag (stat.error;phot.mag;em.IR.J)
Hmag 2.999 mag [-1.034/15.297] 2MASS H band magnitude (Note 2)   (phot.mag;em.IR.H)
e_Hmag 0.182 mag [0.013/9.998] Uncertainty in Hmag (stat.error;phot.mag;em.IR.H)
Ksmag 2.683 mag [-1.162/15.015] 2MASS Ks band magnitude (Note 2)   (phot.mag;em.IR.K)
e_Ksmag 0.230 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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