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title:Astrobites supernova heterogeneity analysis; supernova calibration papers
imported
2026-05-29T02:26:43.171858+00:00
extraction mode
manual_curation
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reviewer:will-blair
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methodological · vf_7522fa9eb48e1ea3
Type Ia supernova heterogeneity in light-curve shape and absolute magnitude may explain the tension without new physics: accounting for diversity-driven systematics reduced tension from 5σ to 0.5σ in one analysis, suggesting fitting methodology dominates over cosmological signal.
events
vev_a8e22f5aceacf200finding.assertedManual finding added to frontier state
reviewer:will-blair · 2026-05-29
vev_30525c63647c98c4finding.caveatedVerifier caution: Type Ia heterogeneity reducing tension from 5σ to 0.5σ in one analysis is cherry-picked: Astrobites and calibration literature show heterogeneity matters (remaining scatter ~0.97 mag²) but does not uniformly yield 0.5σ reduction across methods. Fitting methodology does matter sig
reviewer:will-blair · 2026-05-29
reviewable changes
vpr_86e7ce84ee081a0afinding.addManual finding added to frontier state
applied · reviewer:will-blair · 2026-05-29
vpr_2ab9aff891edc4b6finding.caveatVerifier caution: Type Ia heterogeneity reducing tension from 5σ to 0.5σ in one analysis is cherry-picked: Astrobites and calibration literature show heterogeneity matters (remaining scatter ~0.97 mag²) but does not uniformly yield 0.5σ reduction across methods. Fitting methodology does matter sig
applied · reviewer:will-blair · 2026-05-29
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