Improved hydrodynamic pulsation models for the pulsating extreme helium star V652 Herculis
New non-linear hydrodynamic models have been constructed to simulate the radial pulsations observed in the extreme helium star V652 Her. These use a finer zoning to allow higher radial resolution than in previous simulations. Models incorporate updated OPAL and OP opacity tables and adopt a composition based on the best atmospheric analyses to date
Jeffery, C. Simon et al.
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2022