Correction to: Nature Astronomy https://doi.org/10.1038/s41550-022-01617-y, published online 7 March 2022.

In the version of this article initially published, affiliations 2 and 3 were listed in the wrong order. The order has been corrected to read: 2, School of Physics and Astronomy, University of Southampton, Southampton, UK and 3, Instituto Argentino de Radioastronomía, CONICET (CCT La Plata), CICPBA, UNLP, Berazategui, Argentina. The changes have been made to the HTML and PDF versions of the article.