Residual correlated-selection effects are weakly detected (1.2–1.9σ) in Cepheid photometry and can shift the distance-ladder Hubble constant down by 0.7–1.1 km/s/Mpc.
arXiv e-prints , year = 2025, month = nov, eid =
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Selection effects in correlated observations with application to distance-ladder observations
Residual correlated-selection effects are weakly detected (1.2–1.9σ) in Cepheid photometry and can shift the distance-ladder Hubble constant down by 0.7–1.1 km/s/Mpc.