From left to right: log LLyα plotted against MUV for z ~ 3.6, 4.9, and 6.0. The black circles indicate our individual LAEs. In each panel, objects with log (LLyα/erg s-1) < 41.0 are placed at 41.0 for display purposes. Left panel: red circles show spectroscopically confirmed LAEs from Ouchi et al. (2008) at z ~ 3.1 and 3.7, while blue circles indicate a photometric LAE sample from Gronwall et al. (2007). Middle panel: red circles correspond to z ~ 4.5 LAEs studied by Zheng et al. (2014). Right panel: red circles show spectroscopically confirmed LAEs from Ouchi et al. (2008) at z ~ 5.7. Blue circles indicate spectroscopically confirmed LAEs from Kashikawa et al. (2011) at z ~ 5.7 and 6.5, while orange circles are spectroscopically confirmed LAEs from Jiang et al. (2013) at z ~ 5.7, 6.5, and 7.0. In each panel, the vertical dashed line at MUV=−18.5 and the horizontal dashed line at log (LLyα/erg s-1) = 42.2 show the cuts used for fair comparisons of EW0 scale lengths at 2.9 <z< 6.6 (see Sect. 6.3).
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