The extended HeII$\lambda$4686 emission in the extremely metal-poor galaxy SBS0335-052E seen with MUSE

C. Kehrig, J. M. Vilchez, M. A. Guerrero +4

SBS0335-052E, one of the most metal-poor (Z ~ 3-4% Z${}_{\odot }$) HeII-emitter starbursts known in the nearby universe, is studied using optical VLT/MUSE spectroscopic and Chandra X-…