A new parametrization of Hubble function and Hubble tension Article Swipe

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Tong-Yu He , Jia-Jun Yin , Zhenyu Wang , Zhanwen Han , Rong-Jia Yang ·

YOU? · · 2024 · Open Access · · DOI: https://doi.org/10.48550/arxiv.2405.17212

We present a new Hubble parameterization method and employ observational data from Hubble, Pantheon, and Baryon Acoustic Oscillations to constrain model parameters. The proposed method is thoroughly validated against these datasets, demonstrating a robust fit to the observational data. The obtained best-fit values are $H_0 = 67.5^{+1.3}_{-1.6}$ $\text{km s}^{-1} \text{Mpc}^{-1}$, $Ω_{\rm{m0}} = 0.2764\pm{0.0094}$, and $α= 0.33\pm{0.22}$, consistent with the Planck 2018 results, highlighting the existence of Hubble tension.

Related Topics

Hubble's Law

Physics

Hubble Ultra-Deep Field

Hubble Space Telescope

Dark Energy

Galaxy

Quantum Mechanics

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Parametrization (atmospheric modeling) Hubble's law Hubble volume Physics Hubble Ultra-Deep Field Astrophysics Astronomy Hubble Deep Field Cosmology Hubble space telescope Dark energy Galaxy Radiative transfer Quantum mechanics

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Type: preprint
Language: en
Landing Page: http://arxiv.org/abs/2405.17212
PDF: https://arxiv.org/pdf/2405.17212
OA Status: green
Related Works: 10
OpenAlex ID: https://openalex.org/W4399144173

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DOI: https://doi.org/10.48550/arxiv.2405.17212

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Title: A new parametrization of Hubble function and Hubble tension

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Type: preprint

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Language: en

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Publication year: 2024

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Publication date: 2024-05-27

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Authors: Tong-Yu He, Jia-Jun Yin, Zhenyu Wang, Zhanwen Han, Rong-Jia Yang

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Landing page: https://arxiv.org/abs/2405.17212

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PDF URL: https://arxiv.org/pdf/2405.17212

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Concepts: Parametrization (atmospheric modeling), Hubble's law, Hubble volume, Physics, Hubble Ultra-Deep Field, Astrophysics, Astronomy, Hubble Deep Field, Cosmology, Hubble space telescope, Dark energy, Galaxy, Radiative transfer, Quantum mechanics

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