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

Healy-Kalesh, MW ORCID: 0000-0001-6337-6871 and Darnley, MJ ORCID: 0000-0003-0156-3377 (2026) Infrared Cavity Surrounding T Pyxidis: Evidence of a Nova Super-remnant? Research Notes of the American Astronomical Society, 10 (9). ISSN 2515-5172

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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.

Item Type:	Article
Uncontrolled Keywords:	astro-ph.HE; astro-ph.HE; astro-ph.HE; astro-ph.HE; 5101 Astronomical Sciences; 51 Physical Sciences; 5101 Astronomical Sciences; 51 Physical Sciences
Subjects:	Q Science > QB Astronomy Q Science > QC Physics
Divisions:	Astrophysics Research Institute
Publisher:	IOP Publishing
Date of acceptance:	1 September 2026
Date of first compliant Open Access:	9 October 2026
Date Deposited:	09 Oct 2026 13:18
Last Modified:	09 Oct 2026 13:18
DOI or ID number:	10.3847/2515-5172/aeab95
URI:	https://researchonline.ljmu.ac.uk/id/eprint/29635

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