Probing the circum-stellar medium 2.8 Gyr after the Big Bang: detection of Bowen fluorescence in the Sunburst arc

E. Vanzella, M. Meneghetti, A. Pastorello +13

We discovered Bowen emission arising from a strongly lensed (i.e., with magnification factor $\mu$>20) source hosted in the Sunburst arc at z=2.37. We claim this source is plausibly…