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cosmic expansion 1dark energy 1high-redshift observations 1h ii galaxies 1jwst 1

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astro-ph.CO2026

Charting the expansion of the Universe from z0 to z14 with HII galaxies

R. Chávez, R. Terlevich, A. L. González-Morán +14

The authors construct an updated Hubble diagram using 243 giant H II regions and H II galaxies from redshift 0 to ~14, applying the L(Hβ)–σ relation to derive cosmological paramete…