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paper

A Recurrent Nova Super-Remnant in the Andromeda Galaxy

arXiv:1712.04872 · doi:10.1038/s41586-018-0825-4

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.

30 pages, 8 figures