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
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Locator and citation
external sourcelocator
title:Gaia extinction studies; Cepheid Variable Stars research
imported
2026-05-29T02:26:43.233105+00:00
extraction mode
manual_curation
authors
reviewer:will-blair
Caveats
No source-specific caveats are recorded.
observational · vf_b10f7de2d38a7c2c
Extinction and dust-reddening corrections to Cepheid measurements exhibit variable extinction coefficients (RG = 1.918 ± 0.060 − 0.106 E) and systematic dependence on reddening, potentially biasing high-metallicity or heavily reddened Cepheids and affecting H0 by ~1 km/s/Mpc if miscorrected.
events
vev_d3724b0e498a5b67finding.assertedManual finding added to frontier state
reviewer:will-blair · 2026-05-29
reviewable changes
vpr_b0267ab5d03f648efinding.addManual finding added to frontier state
applied · reviewer:will-blair · 2026-05-29
evaluations
No evaluation rows are attached.