4.7 Article

Sensitivity study of chemistry in AGB outflows using chemical kinetics

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Summary: Spherical asymmetries are common in the outflows of AGB stars, and the presence of a stellar companion can strongly influence the chemistry within the outflow. The effects depend on the intensity of UV radiation and the extinction experienced by the radiation. The balance between two-body reactions and photoreactions determines the outcome, with two-body reactions increasing chemical complexity within the outflow and photoreactions leading to a molecule-poor outflow. Solar-like companions have the largest effect.

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