Multi-periodic photospheric pulsations and connected wind structures in HD 64760

  title={Multi-periodic photospheric pulsations and connected wind structures in HD 64760},
  author={A. Kaufer and Otmar Stahl and Raman K. Prinja and Dugan Witherick},
  journal={Astronomy and Astrophysics},
We report on the results of an extended optical spectroscopic monitoring campaign on the early-type B supergiant HD64760 (B0.5Ib) designed to probe the deep-seated origin of spatial wind structure in massive stars. This new study is based on high-resolution echelle spectra obtained with the Feros instrument at ESO La Silla. 279 spectra were collected over 10 nights between February 14 and 24, 2003. From the period analysis of the line-profile variability of the photospheric lines we identify… 
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