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Polycyclic Aromatic Hydrocarbon Contribution to the Infrared Output Energy of the Universe at <i>z</i> โ‰ƒ 2

Polycyclic Aromatic Hydrocarbon Contribution to the Infrared Output Energy of the Universe at <i>z</i> โ‰ƒ 2

We present an updated phenomenological galaxy evolution model to fit the Spitzer 24, 70 and 160 microns number counts as well as all the previous mid and far infrared observations. Only a minor change of the co-moving luminosity density distribution in the previous model (Lagache, Dole, Puget 2003), combined with โ€ฆ