Abstract
Cosmological evolution of actively star-forming galaxies on timescales ≃20÷25% of the Hubble time has been recently called for by Danese et al. (1987) to explain the radio source counts at mJy and sub-mJy levels. Owing to the tight correlation between far-IR and radio emissions from these sources, the IRAS survey data provide a direct test of such models. Hints of evolution consistent with the model predictions already emerge from the redshift distribution of galaxies brighter than 0.5 Jy at 60 µm. The model also provides a good fit to the recent deep IRAS counts, which are consistently higher than expected in the absence of evolution. The predicted contribution of galaxies to the 100 µm background amounts to only a few percent of the intensity tentatively estimated by Rowan-Robinson (1986).
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References
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© 1988 Springer-Verlag
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Franceschini, A., Danese, L., De Zotti, G., Xu, C. (1988). Cosmological evolution of starburst galaxies and IRAS counts at 60 µm . In: Lawrence, A. (eds) Comets to Cosmology. Lecture Notes in Physics, vol 297. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0118828
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DOI: https://doi.org/10.1007/BFb0118828
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