Fig. 2.
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Point source sky coverage for different Chandra observations in the soft (0.5–2.0 keV; black) and hard (2.0–7.0 keV; red) energy band. The thick solid lines mark the sky coverage of this study, while the thin solid, dotted, and dashed lines depict the sky coverage in the Chandra observations respectivley of Spiderweb (Tozzi et al. 2022), SSA22 (Lehmer et al. 2009), and Deep Field South (Rosati et al. 2002; Luo et al. 2017).
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