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Aims. Our goal is to study the long-term mass-loss rate characteristics ofasymptotic giant branch (AGB) stars through wind-wind and wind-interstellarmedium interaction.  Methods. Far-ultraviolet (FUV) images from the Galex survey are used toinvestigate extended UV emission associated with AGB stars.  Results. FUV emission was found towards eight objects. The emission displaysdifferent shapes and sizes; interaction regions were identified, often withinfrared counterparts, but no equivalent near-ultraviolet (NUV) emission wasfound in most cases.  Conclusions. The FUV emission is likely attributed to shock-excited molecularhydrogen, considering the lack of NUV emission and the large space velocitiesof the objects, and makes it possible to trace old structures that are toofaint to be observed, for instance, in the infrared.

Extended far-UV emission surrounding asymptotic giant branch stars as seen by GALEX