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evidence atoms
materializedEvidence atoms pin exact spans, measurements, selectors, or curation assertions to the source.
review context
inspectable2 reviewable changes and 0 evaluations are attached through this source or its findings.
Locator and citation
locator
title:Riess et al. (SH0ES metallicity corrections) / standard Cepheid calibration literature
imported
2026-05-29T02:16:30.587641+00:00
extraction mode
manual_curation
authors
reviewer:will-blair
Caveats
No source-specific caveats are recorded.
Cepheid variable distance ladder calibration exhibits metallicity-dependent period-luminosity relations that shift inferred distances by 5-8% when not corrected, directly propagating to H0 uncertainty.
events
vev_027c2f5e9558d312finding.assertedManual finding added to frontier state
reviewer:will-blair · 2026-05-29
vev_e57b4223543da3b2finding.caveatedVerifier caution: Metallicity period-luminosity dependence exists but magnitude is contested. SH0ES calibration (~−0.2 mag dex⁻¹) yields smaller corrections than some infrared studies (~−0.4 to −0.5 mag dex⁻¹). The 5–8% distance shift appears to exceed documented SH0ES systematic budgets. Likely o
reviewer:will-blair · 2026-05-29
reviewable changes
vpr_9c821ec5ce81cd11finding.addManual finding added to frontier state
applied · reviewer:will-blair · 2026-05-29
vpr_d9581f584febfaabfinding.caveatVerifier caution: Metallicity period-luminosity dependence exists but magnitude is contested. SH0ES calibration (~−0.2 mag dex⁻¹) yields smaller corrections than some infrared studies (~−0.4 to −0.5 mag dex⁻¹). The 5–8% distance shift appears to exceed documented SH0ES systematic budgets. Likely o
applied · reviewer:will-blair · 2026-05-29
evaluations
No evaluation rows are attached.