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The progenitors of super luminous supernovae (SLSNe) are still a mystery.Hydrogen-poor SLSN hosts are often highly star-forming dwarf galaxies and themajority belongs to the class of extreme emission line galaxies hosting youngand highly star-forming stellar populations. Here we present a resolvedlong-slit study of the host of the hydrogen-poor SLSN PTF12dam probing the kpcenvironment of the SN site to determine the age of the progenitor. The galaxyis a "tadpole" with uniform properties and the SN occurred in a star-formingregion in the head of the tadpole. The galaxy experienced a recent star-burstsuperimposed on an underlying old stellar population. We measure a very youngstellar population at the SN site with an age of ~3 Myr and a metallicity of12+log(O/H)=8.0 at the SN site but do not observe any WR features. Theprogenitor of PTF12dam must have been a massive star of at least 60 M_solar andone of the first stars exploding as a SN in this extremely young starburst.

A young stellar environment for the superluminous supernova PTF12dam