Short Term Variability of Evolved Massive Stars with TESS

@article{DornWallenstein2019ShortTV,
  title={Short Term Variability of Evolved Massive Stars with TESS},
  author={Trevor Dorn-Wallenstein and Emily M. Levesque and James R. A. Davenport},
  journal={arXiv: Solar and Stellar Astrophysics},
  year={2019}
}
  • Trevor Dorn-Wallenstein, Emily M. Levesque, James R. A. Davenport
  • Published 2019
  • Physics
  • arXiv: Solar and Stellar Astrophysics
  • We present the first results from a study of TESS Sector 1 and 2 light curves for seven evolved massive stars in the LMC: five yellow supergiants (YSGs) and two luminous blue variables (LBVs), including S Doradus. We find coherent short-timescale variability in both LBVs and three of the YSGs. One of the YSGs, HD 269953, displays drastically different variability from its fellows, which may indicate nonradial pulsations. While the field surrounding HD 269953 is quite crowded, it is the… CONTINUE READING

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