The prototypical nova super-remnant (NSR) was uncovered around the most rapidly recurring nova (RN), M31N 2008-12a. Simulations of the growth of NSRs revealed that these large structures should exist around all novae, whether classical or recurrent. NSRs consist of large shell-like structures surrounding excavated cavities. Predictions, informed by these simulations, led to the discovery of an extended cavity coincident with the Galactic RN, RS Ophiuchi, in far-infrared archival IRAS images. We propose that this cavity is associated with RS Oph and is therefore evidence of another NSR to be uncovered.
@article{arxiv.2402.05855,
title = {Discovery of a nova super-remnant cavity surrounding RS Ophiuchi},
author = {M. W. Healy-Kalesh and M. J. Darnley and E. J. Harvey and A. M. Newsam},
journal= {arXiv preprint arXiv:2402.05855},
year = {2024}
}
Comments
6 pages, 5 figures; Accepted for publication in Monthly Notices of the Royal Astronomical Society Letters