Constraints on Cosmological Models from Quasars Calibrated with Type Ia Supernova by a Gaussian Process
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arXiv
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| Natura: | Preprint |
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2024
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| _version_ | 1866929384114356224 |
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| author | Zhang, Haixiang Liu, Yang Yu, Hongwei Nong, Xiaodong Liang, Nan Wu, Puxun |
| author_facet | Zhang, Haixiang Liu, Yang Yu, Hongwei Nong, Xiaodong Liang, Nan Wu, Puxun |
| contents | In this paper, we use quasars calibrated from type Ia supernova (SN Ia) to constrain cosmological models. We consider three different X-ray luminosity ($L_{X}$) - ultraviolet luminosity ($L_{UV}$) relations of quasars, i.e., the standard $L_{X}$-$L_{UV}$ relation and two redshift-evolutionary relations (Type I and Type II) respectively constructed from copula and considering a redshift correction to the luminosity of quasars. Only in the case of the Type I relation, quasars can always provide effective constraints on the $Λ$CDM model. Furthermore, we show that, when the observational Hubble data (OHD) are added, the constraints on the absolute magnitude $M$ of SN Ia and the Hubble constant $H_0$ can be obtained. In the $Λ$CDM model, the OHD measurements plus quasars with the Type I relation yields $M$ =$-19.321^{+0.085}_{-0.076}$, which is in good agreement with the measurement from SH0ES ($M=-19.253\pm{0.027}$), and $H_0$ = $70.80\pm3.6~\mathrm{km~s^{-1}Mpc^{-1}}$, falling between the measurements from SH0ES and the Planck cosmic microwave background radiation data. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_15913 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Constraints on Cosmological Models from Quasars Calibrated with Type Ia Supernova by a Gaussian Process Zhang, Haixiang Liu, Yang Yu, Hongwei Nong, Xiaodong Liang, Nan Wu, Puxun Cosmology and Nongalactic Astrophysics In this paper, we use quasars calibrated from type Ia supernova (SN Ia) to constrain cosmological models. We consider three different X-ray luminosity ($L_{X}$) - ultraviolet luminosity ($L_{UV}$) relations of quasars, i.e., the standard $L_{X}$-$L_{UV}$ relation and two redshift-evolutionary relations (Type I and Type II) respectively constructed from copula and considering a redshift correction to the luminosity of quasars. Only in the case of the Type I relation, quasars can always provide effective constraints on the $Λ$CDM model. Furthermore, we show that, when the observational Hubble data (OHD) are added, the constraints on the absolute magnitude $M$ of SN Ia and the Hubble constant $H_0$ can be obtained. In the $Λ$CDM model, the OHD measurements plus quasars with the Type I relation yields $M$ =$-19.321^{+0.085}_{-0.076}$, which is in good agreement with the measurement from SH0ES ($M=-19.253\pm{0.027}$), and $H_0$ = $70.80\pm3.6~\mathrm{km~s^{-1}Mpc^{-1}}$, falling between the measurements from SH0ES and the Planck cosmic microwave background radiation data. |
| title | Constraints on Cosmological Models from Quasars Calibrated with Type Ia Supernova by a Gaussian Process |
| topic | Cosmology and Nongalactic Astrophysics |
| url | https://arxiv.org/abs/2404.15913 |