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New Solutions to Line-Driven Winds of Hot Massive Stars

  • Alex C. Gormaz-Matamala (a1), Michel Curé (a1), Lydia Cidale (a2) and Roberto Venero (a2)

Abstract

In the frame of radiation driven wind theory (Castor et al.1975), we present self-consistent hydrodynamical solutions to the line-force parameters (k, α, δ) under LTE conditions. Hydrodynamic models are provided by HydWind (Curé 2004). We evaluate these results with those ones previously found in literature, focusing in different regions of the optical depth to be used to perform the calculations. The values for mass-loss rate and terminal velocity obtained from our calculations are also presented.

We also examine the line-force parameters for the case when large changes in ionization throughout the wind occurs (δ-slow solutions, Curé et al.2011).

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Copyright

References

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Abbott, D. C., 1982 ApJ, 259, 282 A
Castor, J. I., Abbott, D. C. & Klein, R. I., 1975 ApJ, 195, 157C (CAK)
Curé, M., 2004, ApJ, 614, 929
Curé, M., Cidale, L. & Granada, A., 2011, ApJ, 737, 18
Noebauer, U. M. & Sim, S. A., 2015, MNRAS, 453, 3120
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New Solutions to Line-Driven Winds of Hot Massive Stars

  • Alex C. Gormaz-Matamala (a1), Michel Curé (a1), Lydia Cidale (a2) and Roberto Venero (a2)

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