Connecting Recurrent Novae to [some] Type Ia Supernovae
Ferdinando Patat
TL;DR
This paper reviews observational efforts to identify the progenitors of Type Ia Supernovae, emphasizing recent findings of circumstellar material and exploring the potential link to recurrent novae, especially through the case of RS Oph.
Contribution
It synthesizes recent observational evidence connecting recurrent novae to Type Ia Supernovae progenitors, highlighting the role of circumstellar material.
Findings
Detection of circumstellar material around some Type Ia Supernovae
Possible link between recurrent novae and Type Ia progenitors
Insights from the case of RS Oph about supernova environments
Abstract
In this review I summarize the observational attempts done so far to unveil the nature of the progenitor system/s of Type Ia Supernovae. In particular, I focus on the most recent developments that followed the alleged detection of circumstellar material around a few events, and on the link this possibly establishes with recurrent novae. In this framework, I then discuss the case of RS Oph, what we know of its circumstellar environment, and what this is telling us about its supposed connection to Type Ia supernova explosions.
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