An extensive grid of mass fluxes for Galactic O stars
Abstract
A previously-described code for constructing moving reversing layers (MRL) is improved by replacing a two-parameter model for the radiative acceleration due to lines with a flexible non-parametric description, thus allowing a greater degree of dynamical consistency to be achieved in modelling turbulent transonic flow in the outer atmospheric layers of O stars. With this new code, mass fluxes J are computed at fifty-seven points in (Teff, g)-space. Specifically, J's are computed for all Lanz-Hubeny (2003) NLTE atmospheres with Teff (kK) ∈ (27.5, 55) and log g ≤ 4.5. Differences with widely-used mass-loss formulae are emphasized, and opportunities for differential spectroscopic tests identified.
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