A "UV+IR" history of star formation at 0<z<1
Floc'h, E. Le · team, the MIPS
الأصل · EN
The combination of both contributions from the observed UV emission and the absorbed radiations reprocessed in the infrared represents the ideal approach to constrain the activity of massive star formation in galaxies. Using recent results from GALEX and Spitzer, we compare the evolutions of the UV and IR energy densities with redshift as well as their contributions to the star formation history at 0<z<1. We find that the comoving IR luminosity is characterized by a much faster evolution than seen in the UV. Our results also indicate that 70% of the star-forming activity at z 1 is produced by the so-called IR-luminous sources (LᵢR > 10¹1 Lₛol).
الترجمة العربية
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