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arXiv · 2609.30463

Infrared Cavity Surrounding T Pyxidis: Evidence of a Nova Super-remnant?

Michael W. Healy-Kalesh·Matthew J. Darnley
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Abstract

Nova super-remnants (NSR) are shell-like structures spanning tens of parsecs that are predicted to grow around all recurrent novae as a result of repeated ejecta sweeping up the surrounding material. After the first NSR was discovered in the Andromeda Galaxy around M31N 2008-12a, a number of Galactic NSRs have been uncovered, as has the first NSR in the Large Magellanic Cloud. Here we report an apparent infrared cavity surrounding the Galactic recurrent nova, T Pyxidis, which we suggest may be a nova super-remnant and discuss the implications.

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Michael W. Healy-Kalesh, Matthew J. Darnley. 2026-09-24. Infrared Cavity Surrounding T Pyxidis: Evidence of a Nova Super-remnant?. https://doi.org/10.3847/2515-5172%2Faeab95

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