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Green Pea galaxies are remarkable for their intense star formation and serveas a window into the early universe. In our study, we used integral fieldspectroscopy to examine 24 of these galaxies in the optical spectrum. Wefocused on the interaction between their ionized interstellar medium and thestar formation processes within them. Our research generated spatial maps ofemission lines and other properties like ionization structures and chemicalconditions. These maps showed that areas with higher levels of excitation areusually located where starbursts are occurring. Continuum maps displayed moreintricate structures than emission line maps and hinted at low brightnessionized gas in the galaxies' outer regions. We also analyzed integrated spectrafrom selected areas within these galaxies to derive physical properties likeelectron densities and temperatures. In some galaxies, we were able todetermine metallicity levels. Our observations revealed the presence ofhigh-ionizing lines in three galaxies, two of which had extremely high rates ofstar formation. Our findings provide valuable insights into the properties andstar-forming processes in Green Pea galaxies, contributing to our broaderunderstanding of galactic evolution in the early universe.

A MUSE/VLT spatially resolved study of the emission structure of Green Pea galaxies