Accrete, Accrete, Accrete... Bang! (and repeat): The Remarkable Recurrent Novae
Matthew J. Darnley

TL;DR
This review discusses recurrent novae, their potential as supernova progenitors, recent modeling advances, and the discovery of rapid recurrent novae, highlighting their significance in understanding stellar evolution and explosive phenomena.
Contribution
It provides a comprehensive overview of recurrent novae, including recent models with He-flashes, population studies, and the discovery of the rapid recurrent nova subset.
Findings
Identification of a new rapid recurrent nova subset with periods of ten years or less.
Integration of He-flashes into nova models enhances understanding of white dwarf growth.
Discovery of M31N 2008-12a with annual eruptions and a large nova super-remnant.
Abstract
All novae recur, but only a handful have been observed in eruption more than once. These systems, the recurrent novae (RNe), are among the most extreme examples of novae. RNe have long been thought of as potential type Ia supernova progenitors, and their claim to this 'accolade' has recently been strengthened. In this short review RNe will be presented within the framework of the maximum magnitude-rate of decline (MMRD) phase-space. Recent work integrating He-flashes into nova models, and the subsequent growth of the white dwarf, will be explored. This review also presents an overview of the Galactic and extragalactic populations of RNe, including the newly identified 'rapid recurrent nova' subset - those with recurrence periods of ten years, or less. The most exciting nova system yet discovered - M31N 2008-12a, with its annual eruptions and vast nova super-remnant, is introduced.…
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