A Recurrent Nova Super-Remnant in the Andromeda Galaxy
M. J. Darnley, R. Hounsell, T. J. O'Brien, P. Rodr\'iguez-Gil, A. W., Shafter, M. M. Shara, M. Henze, M. F. Bode, R. Galera-Rosillo, D. J. Harman,, J.-U. Ness, V. A. R. M. Ribeiro, N. M. H. Vaytet, S. C. Williams
TL;DR
This paper reports the discovery of a super-remnant around the rapidly recurring nova M31N 2008-12a in the Andromeda Galaxy, indicating it has erupted frequently over millions of years.
Contribution
It presents the first evidence of a super-remnant associated with a recurrent nova, revealing long-term high-frequency eruption history.
Findings
Identification of a super-remnant around M31N 2008-12a
Evidence of high-frequency eruptions over millions of years
Implications for nova evolution and galactic feedback
Abstract
Here we report that the most rapidly recurring nova, M31N 2008-12a, which erupts annually, is surrounded by a "nova super-remnant" which demonstrates that M31N 2008-12a has erupted with high frequency for millions of years.
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