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=90082
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200000 57 30.8959344 "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+37 38 18.944988 "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)
_RAB195000 54 44.6995339 "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+37 22 06.995486 "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)
_Glon124.2616779176 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-25.2174619687 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)
90082recno 90082  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TYC2798-1339-1  (i) Tycho-2 identifier (TYC FFFF-NNNNN-N) (meta.id;meta.main)
RAJ2000014.37873306 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+37.63859583 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
BTmag 11.532 mag [3.296/16.227] Tycho-2 catalog BT band magnitude (Note 1)   (phot.mag;em.opt.B)
e_BTmag 0.064 mag [0.014/1.686] Uncertainty in BTmag (stat.error;phot.mag;em.opt.B)
VTmag11.033 mag [2.139/14.44] Tycho-2 catalog VT band magnitude (Note 1)   (phot.mag;em.opt.V)
e_VTmag 0.068 mag [0.009/0.899] Uncertainty in BTmag (stat.error;phot.mag;em.opt.V)
Jmag 9.366 mag [-0.245/15.767] 2MASS J band magnitude (Note 2)   (phot.mag;em.IR.J)
e_Jmag 0.027 mag [0.016/9.998] Uncertainty in Jmag (stat.error;phot.mag;em.IR.J)
Hmag 9.030 mag [-1.034/15.297] 2MASS H band magnitude (Note 2)   (phot.mag;em.IR.H)
e_Hmag 0.030 mag [0.013/9.998] Uncertainty in Hmag (stat.error;phot.mag;em.IR.H)
Ksmag 8.936 mag [-1.162/15.015] 2MASS Ks band magnitude (Note 2)   (phot.mag;em.IR.K)
e_Ksmag 0.019 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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