SBS0335+052 high level MUSE and VLA B data

Both datasets are used in concert for comparisons between the ionised and the neutral phase. We report the prolongation of a lacy filamentary ionised structure up to a projected distance of 16kpc at SB(H{alpha})=1.5x10^-18^erg/s/cm^2^/arcsec^2^. The filaments exhibit unusual low H{alpha}/H{beta}~=2.4 and low [OIII] {lambda}5007/H{alpha}~0.4-0.6.

They are spectrally narrow (~20km/s) and exhibit no velocity sub-structure. The filaments extend outwards of the elongated HI halo. On small scales the N(HI) peak is offset from the main star-forming sites.

Morphology and kinematics of HI and HII reveal how star-formation driven feedback interacts differently with the ionised and the neutral phase. We reason that the filaments are a large-scale manifestation of star-formation driven feedback, namely limb-brightened edges of a giant outflow cone that protrudes through the halo of this gas-rich system. A simple toy model of such a conical structure is found to be commensurable with the observations.