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We present  Spitzer Space Telescope  and  Herschel Space Observatory  infrared observations of the recurrent nova T Pyx during its 2011 eruption, complemented by ground‐base optical‐infrared photometry. We find that the eruption has heated dust in the pre‐existing nebulosity associated with T Pyx. This is most likely interstellar dust swept up by T Pyx – either during previous eruptions or by a wind – rather than the accumulation of dust produced during eruptions.

Infrared observations of the recurrent nova T Pyxidis: ancient dust basks in the warm glow of the 2011 outburst ★