SED templates studied here. Left panel: low-z templates. In navy: CE01 templates with L_IR~10⁹, 10¹⁰, 10¹¹, 10¹², 10¹³ L_⊙. In yellow: DH02 templates with α = 1.0, 1.5, 2.0, 2.5. In magenta: C14 mean template. Right panel: high-z templates. In red: E11 templates. The solid line denotes the MS template and the dashed line denote the SB template. In black: M12 templates. The solid line denotes the MS template and the dashed line denotes the SB template. In green: four SF templates selected from B13.