The MUSE Extremely Deep Field: a first panoramic view of an Mg II emitting intragroup medium

Floriane Leclercq, Anne Verhamme, Benoit Epinat +21

Using the exquisite MUSE eXtremely Deep Field data, we report the discovery of an MgII emission nebula with an area above a 2$\sigma$ significance level of 1000 proper kpc${}^2$, providin…