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:SH0ES collaboration; Adam Riess et al.
imported
2026-05-29T02:16:29.468926+00:00
extraction mode
manual_curation
authors
reviewer:will-blair
Caveats
No source-specific caveats are recorded.
The SH0ES team's local distance ladder measurement of the Hubble constant yields H0 = 73.2 ± 1.0 km/s/Mpc (2024 update), using Cepheid variables in host galaxies of Type Ia supernovae observed with the Hubble Space Telescope.
events
vev_978add60c4e1213cfinding.assertedManual finding added to frontier state
reviewer:will-blair · 2026-05-29
reviewable changes
vpr_2952039487f7ddd6finding.addManual finding added to frontier state
applied · reviewer:will-blair · 2026-05-29
evaluations
No evaluation rows are attached.