Table C.3.
Dependence of H0 on SNooPy fitter version and SN sample for TRGB ladder.
| Result/difference | H0 | Notes |
|---|---|---|
| F25 (SNooPy pre v2.7, F25 sample) | 70.39 ± 1.80 (N = 24) | F25 as published (without additional SN calibration error) |
| ↳ No change to SNooPy version or sample | 70.31 ± 1.80 (N = 24) | Reproduced within our network |
| ↳ SNooPy post v2.7, F25 sample | 72.05 ± 1.85 (N = 24) | New SNooPy raises H0 |
| ↳ SNooPy pre v2.7, all available pre v2.7 sample | 71.40 ±1.72 (N = 28) | SN in U24 not included in F25 raises H0 |
| SNooPy post v2.7, all available post v2.7 sample | 72.66 ± 1.64 (N = 35) | combination, new SnooPy+all SNe with TRGB |
Notes. Differences with F25 for Same Ladder, NGC 4258 → HST+JWST TRGB → CSP SN Ia w/ SNooPy.SNooPy pre v2.7 is from Uddin+24 and also limited to the sample available there. SNooPy post v2.7 includes current version of SNooPy with refits of best data versions by C. Burns as described in text. There is no difference in peculiar velocity treatment across entries.
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