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Fig. 13

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Luminosity-redshift relation for the eFEDS hard X-ray sample compared to the Swift-BAT sample (Ricci et al. 2017) and approximate flux limit for the HEAO-1 A2 all-sky survey (Piccinotti et al. 1982). The eFEDS luminosities are absorption-corrected and dervied from the spectra (see Section 4.1). eFEDS probes a similar redshift range to Swift-BAT but samples luminosities around an order of magnitude fainter.

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