source boundary
frontier-owneddeclared
A source record is provenance. It supports a finding only through evidence atoms, extraction spans, and reviewed finding bundles.
frontiers / frontier
Source record
back to sourcessource boundary
frontier-ownedA source record is provenance. It supports a finding only through evidence atoms, extraction spans, and reviewed finding bundles.
finding bindings
record contextFindings bound to this source through source ids, evidence atoms, provenance, or reviewed source-record slots.
evidence atoms
materializedEvidence atoms pin exact spans, measurements, selectors, or curation assertions to the source.
review context
inspectable1 reviewable changes and 0 evaluations are attached through this source or its findings.
Locator and citation
locator
title:Salaris & Cassisi (2005) stellar evolution models; Bellazzini et al. (1999, 2004) metallicity sensitivity studies
imported
2026-05-29T02:16:30.168728+00:00
extraction mode
manual_curation
authors
reviewer:will-blair
Caveats
No source-specific caveats are recorded.
Metallicity is the dominant source of systematic uncertainty in TRGB distance ladder: a ±0.2 dex error in mean [Fe/H] propagates to ±0.15–0.20 mag distance modulus error (~±7–10% in distance), nearly matching the current Hubble tension magnitude.
events
vev_d75cada8ab0c44f8finding.assertedManual finding added to frontier state
reviewer:will-blair · 2026-05-29
reviewable changes
vpr_f93655b76c026268finding.addManual finding added to frontier state
applied · reviewer:will-blair · 2026-05-29
evaluations
No evaluation rows are attached.