Results of 40 objects with (black points). The coloured data points represent the stacked SEDs, with green as the total sample, red and blue points are the red and blue sub-samples. Typical error bars are marked in grey. In the two top panels the error bars in the “Age” direction refer to those with ages above 100 Myr. For the single young population objects, the typical error in age is  ~ 15 Myr. LAE ULIRGs (from Nilsson & Møller 2009) are marked with a red ring.