Fig. 18

image

2.1 GHz source counts for XXL-S (black triangles). The 1.4 GHz source counts, obtained by using a spectral index of α = −0.75 for each source, are shown as red circles for comparison to other 1.4 GHz surveys: VLA-COSMOS 1.4 GHz (Bondi et al. 2008), ATESP (Prandoni et al. 2001), HDFS (Huynh et al. 2005), FIRST (White et al. 1997), VLA-COSMOS 3 GHz converted into 1.4 GHz (Smolčić et al. 2018), and the pilot XXL-S survey converted into 1.4 GHz (XXL Paper XI).

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