Testing the Cosmic Distance Duality Relation Using Strong Gravitational Lensing Time Delays and Type Ia Supernovae
We present a comprehensive test of the cosmic distance duality relation (DDR) using a combination of strong gravitational lensing (SGL) time delay measurements and Type Ia supernovae (SNe Ia) data. We investigate three different parameterizations of potential DDR violations. To bridge the gap betwee...
| Main Authors: | , , , |
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| Formato: | Artigo |
| Idioma: | English |
| Publicado em: |
IOP Publishing
2025-01-01
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| Colecção: | The Astrophysical Journal |
| Assuntos: | |
| Acesso em linha: | https://doi.org/10.3847/1538-4357/ad9de4 |
| _version_ | 1826875432246444032 |
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| author | Jing-Zhao Qi Yi-Fan Jiang Wan-Ting Hou Xin Zhang |
| author_facet | Jing-Zhao Qi Yi-Fan Jiang Wan-Ting Hou Xin Zhang |
| author_sort | Jing-Zhao Qi |
| collection | DOAJ |
| description | We present a comprehensive test of the cosmic distance duality relation (DDR) using a combination of strong gravitational lensing (SGL) time delay measurements and Type Ia supernovae (SNe Ia) data. We investigate three different parameterizations of potential DDR violations. To bridge the gap between SGL and SNe Ia data sets, we implement an artificial neural network approach to reconstruct the distance modulus of SNe Ia. Our analysis uniquely considers both scenarios where the absolute magnitude of SNe Ia ( M _B ) is treated as a free parameter and where it is fixed to a Cepheid-calibrated value. Using a sample of six SGL systems and the Pantheon+ SNe Ia data set, we find no statistically significant evidence for DDR violations across all parameterizations. The consistency of our findings across different parameterizations not only reinforces confidence in the standard DDR but also demonstrates the robustness of our analytical approach. |
| first_indexed | 2025-02-17T00:50:15Z |
| format | Article |
| id | doaj.art-2b66b51a966a43839d7939bbde01c7a5 |
| institution | Directory Open Access Journal |
| issn | 1538-4357 |
| language | English |
| last_indexed | 2025-02-17T00:50:15Z |
| publishDate | 2025-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | The Astrophysical Journal |
| spelling | doaj.art-2b66b51a966a43839d7939bbde01c7a52025-01-14T06:20:23ZengIOP PublishingThe Astrophysical Journal1538-43572025-01-019791210.3847/1538-4357/ad9de4Testing the Cosmic Distance Duality Relation Using Strong Gravitational Lensing Time Delays and Type Ia SupernovaeJing-Zhao Qi0https://orcid.org/0000-0001-7492-874XYi-Fan Jiang1Wan-Ting Hou2Xin Zhang3https://orcid.org/0000-0002-6029-1933Department of Physics, College of Sciences, Northeastern University , Shenyang 110819, People’s Republic of China ; zhangxin@mail.neu.edu.cnDepartment of Physics, College of Sciences, Northeastern University , Shenyang 110819, People’s Republic of China ; zhangxin@mail.neu.edu.cnSchool of Mathematics and Statistics, Liaoning University , Shenyang 110819, People’s Republic of ChinaDepartment of Physics, College of Sciences, Northeastern University , Shenyang 110819, People’s Republic of China ; zhangxin@mail.neu.edu.cn; Key Laboratory of Cosmology and Astrophysics (Liaoning Province), Northeastern University , Shenyang 110819, People’s Republic of China; Key Laboratory of Data Analytics and Optimization for Smart Industry (Ministry of Education), Northeastern University , Shenyang 110819, People’s Republic of China; National Frontiers Science Center for Industrial Intelligence and Systems Optimization, Northeastern University , Shenyang 110819, People’s Republic of ChinaWe present a comprehensive test of the cosmic distance duality relation (DDR) using a combination of strong gravitational lensing (SGL) time delay measurements and Type Ia supernovae (SNe Ia) data. We investigate three different parameterizations of potential DDR violations. To bridge the gap between SGL and SNe Ia data sets, we implement an artificial neural network approach to reconstruct the distance modulus of SNe Ia. Our analysis uniquely considers both scenarios where the absolute magnitude of SNe Ia ( M _B ) is treated as a free parameter and where it is fixed to a Cepheid-calibrated value. Using a sample of six SGL systems and the Pantheon+ SNe Ia data set, we find no statistically significant evidence for DDR violations across all parameterizations. The consistency of our findings across different parameterizations not only reinforces confidence in the standard DDR but also demonstrates the robustness of our analytical approach.https://doi.org/10.3847/1538-4357/ad9de4CosmologyCosmological parametersStrong gravitational lensing |
| spellingShingle | Jing-Zhao Qi Yi-Fan Jiang Wan-Ting Hou Xin Zhang Testing the Cosmic Distance Duality Relation Using Strong Gravitational Lensing Time Delays and Type Ia Supernovae The Astrophysical Journal Cosmology Cosmological parameters Strong gravitational lensing |
| title | Testing the Cosmic Distance Duality Relation Using Strong Gravitational Lensing Time Delays and Type Ia Supernovae |
| title_full | Testing the Cosmic Distance Duality Relation Using Strong Gravitational Lensing Time Delays and Type Ia Supernovae |
| title_fullStr | Testing the Cosmic Distance Duality Relation Using Strong Gravitational Lensing Time Delays and Type Ia Supernovae |
| title_full_unstemmed | Testing the Cosmic Distance Duality Relation Using Strong Gravitational Lensing Time Delays and Type Ia Supernovae |
| title_short | Testing the Cosmic Distance Duality Relation Using Strong Gravitational Lensing Time Delays and Type Ia Supernovae |
| title_sort | testing the cosmic distance duality relation using strong gravitational lensing time delays and type ia supernovae |
| topic | Cosmology Cosmological parameters Strong gravitational lensing |
| url | https://doi.org/10.3847/1538-4357/ad9de4 |
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