Differential rotation in rapidly rotating early-type stars. I. Motivations for combined spectroscopic and interferometric studies

@article{Zorec2010DifferentialRI,
  title={Differential rotation in rapidly rotating early-type stars. I. Motivations for combined spectroscopic and interferometric studies},
  author={Juan Zorec and Yves Fr{\'e}mat and A. Domiciano de Souza and Omar Delaa and P. Stee and Denis Mourard and L. S. Cidale and Christophe Martayan and Cyril Georgy and Sylvia Ekstrom},
  journal={Astronomy and Astrophysics},
  year={2010},
  volume={526}
}
Context. Since the external regions of the envelopes of rapidly rotating early-type stars are unstable to convection, a coupling may exist between the convection and the internal rotation. Aims. We explore what can be learned from spectroscopic and interferometric observations about the properties of the rotation law in the external layers of these objects. Methods. Using simple relations between the entropy and specific rotational quantities, some of which are found to be efficient at… Expand
Gravity darkening in stars with surface differential rotation
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Context. Among intermediate-mass and massive stars, Be stars are the fastest rotators in the main sequence (MS) and, as such, these stars are a cornerstone to validate models of structure andExpand
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Context. The class of Be stars are the epitome of rapid rotators in the main sequence. These stars are privileged candidates for studying the incidence of rotation on the stellar internal structureExpand
Critical study of the distribution of rotational velocities of Be stars - II: Differential rotation and some hidden effects interfering with the interpretation of the V sin i parameter
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