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Verify references - #2

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sethuastro merged 3 commits into
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verify-references
Oct 22, 2026
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sethuastro merged 3 commits into
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verify-references

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- Y_p = 0.2454: Planck 2018 VI, Table 2 caption and Sect. 2.1
- Peebles equation: Seager et al. 1999 eq. 1; alpha_B fit: eq. 3
- Lambda_2s1s = 8.22458 s^-1: Goldman 1989 as quoted by Seager et al. 1999
- Helium Saha relations: Seager et al. 2000 eqs. 80-81
- 1H and 4He masses: NIST Atomic Weights and Isotopic Compositions
- Textbooks cited without unverified chapter or equation numbers
- Add Planck's own z_* = 1089.92 +/- 0.25 for context
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sethuastro merged commit 6152867 into main Oct 22, 2026
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sethuastro deleted the verify-references branch October 22, 2026 15:45
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