Star formation rate density in the present study (black star). Colored stars represent the contribution of each morphological type to the total star formation rate density (ρSFR). The blue ellipse represents the contribution to ρSFR of the regions outside 1 HLR; and the red-dot blue ellipse represents the contribution to ρSFR of the regions inside 0.5 HLR. Other results are from recent determinations by Gunawardhana et al. (2013; 2015; gray triangles) and their compilation (gray points), and the redshift evolution of ρSFR from Hopkins & Beacom (2006; the top two gray dotted lines are ± 1σ of their relation); Madau & Dickinson (2014; middle gray dashed line); Fardal et al. (2007; bottom gray dashed line); and from the fossil record method applied to SDSS data by Panter et al. (2003; gray squares). When needed, literature values have been scaled to a Salpeter IMF.
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