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:Gaia Collaboration (2022, 2023); Lindegren et al. (2021) Gaia EDR3 parallax systematics
imported
2026-05-29T02:16:30.192016+00:00
extraction mode
manual_curation
authors
reviewer:will-blair
Caveats
No source-specific caveats are recorded.
observational · vf_822c8b38d5de7f5b
The Gaia DR3 parallax survey has enabled recalibration of distance ladder rungs in the Gaia-accessible volume (distance ≲ 10 kpc), but systematic errors from perspective distortion and photometric classification contamination remain at the ±1–2% level, affecting TRGB-to-local-anchor ties.
events
vev_25d215ffdb77bab7finding.assertedManual finding added to frontier state
reviewer:will-blair · 2026-05-29
reviewable changes
vpr_a1556208d78e5150finding.addManual finding added to frontier state
applied · reviewer:will-blair · 2026-05-29
evaluations
No evaluation rows are attached.