The Dependence of Dark Matter Halo Properties on the Morphology of Their Central Galaxies from Weak Lensing
Xu & Jing reported a monotonic relationship between the host halo mass M _h and the morphology of massive central galaxies, characterized by the Sérsic index n , at fixed stellar mass, suggesting that morphology could serve as a good secondary proxy for the halo mass. Since their results were de...
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| Format: | Article |
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IOP Publishing
2025-01-01
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| Series: | The Astrophysical Journal |
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| Online Access: | https://doi.org/10.3847/1538-4357/add883 |
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| author | Zhenjie Liu Kun Xu Jun Zhang Wenting Wang Cong Liu |
| author_facet | Zhenjie Liu Kun Xu Jun Zhang Wenting Wang Cong Liu |
| author_sort | Zhenjie Liu |
| collection | DOAJ |
| description | Xu & Jing reported a monotonic relationship between the host halo mass M _h and the morphology of massive central galaxies, characterized by the Sérsic index n , at fixed stellar mass, suggesting that morphology could serve as a good secondary proxy for the halo mass. Since their results were derived using the indirect abundance matching method, we further investigate the connection between the halo properties and central galaxy morphology using weak gravitational lensing. We apply galaxy–galaxy lensing to measure the excess surface density around CMASS central galaxies with stellar masses in the range of $11.3\lt \mathrm{log}{{M}}_{* }/{{M}}_{\odot }\lt 11.7$ , using the Hyper Suprime-Cam shear catalog processed through the Fourier_Quad pipeline. By dividing the sample based on n , we confirm a positive correlation between n and M _h , and observe possible evidence of the positive correlation of n and halo concentration. After accounting for color, we find that neither color nor morphology alone can determine the halo mass, suggesting that a combination of both may serve as a better secondary proxy. In comparison to hydrodynamic simulations, we find that TNG300 produces much weaker correlations between M _h and n . Furthermore, using SIMBA simulations with different feedback modes, we find that jet-mode active galactic nuclei feedback might be related to the relationship between the Sérsic index and halo mass. |
| format | Article |
| id | doaj-art-fcfa414100cb478a85895cd080b0e8d9 |
| institution | OA Journals |
| issn | 1538-4357 |
| language | English |
| publishDate | 2025-01-01 |
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| series | The Astrophysical Journal |
| spelling | doaj-art-fcfa414100cb478a85895cd080b0e8d92025-08-20T02:10:25ZengIOP PublishingThe Astrophysical Journal1538-43572025-01-019871410.3847/1538-4357/add883The Dependence of Dark Matter Halo Properties on the Morphology of Their Central Galaxies from Weak LensingZhenjie Liu0https://orcid.org/0009-0000-3649-5365Kun Xu1https://orcid.org/0000-0002-7697-3306Jun Zhang2https://orcid.org/0000-0003-0002-630XWenting Wang3https://orcid.org/0000-0002-5762-7571Cong Liu4https://orcid.org/0009-0006-2694-6752State Key Laboratory of Dark Matter Physics, School of Physics and Astronomy, Shanghai Jiao Tong University , Shanghai 200240, People’s Republic of China ; liuzhj26@sjtu.edu.cn, kunxu@sas.upenn.edu; Division of Physics and Astrophysical Science, Graduate School of Science, Nagoya University , Nagoya 464-8602, JapanState Key Laboratory of Dark Matter Physics, School of Physics and Astronomy, Shanghai Jiao Tong University , Shanghai 200240, People’s Republic of China ; liuzhj26@sjtu.edu.cn, kunxu@sas.upenn.edu; Center for Particle Cosmology, Department of Physics and Astronomy, University of Pennsylvania , Philadelphia, PA 19104, USA; Institute for Computational Cosmology, Department of Physics, Durham University , South Road, Durham DH1 3LE, UKState Key Laboratory of Dark Matter Physics, School of Physics and Astronomy, Shanghai Jiao Tong University , Shanghai 200240, People’s Republic of China ; liuzhj26@sjtu.edu.cn, kunxu@sas.upenn.eduState Key Laboratory of Dark Matter Physics, School of Physics and Astronomy, Shanghai Jiao Tong University , Shanghai 200240, People’s Republic of China ; liuzhj26@sjtu.edu.cn, kunxu@sas.upenn.eduState Key Laboratory of Dark Matter Physics, School of Physics and Astronomy, Shanghai Jiao Tong University , Shanghai 200240, People’s Republic of China ; liuzhj26@sjtu.edu.cn, kunxu@sas.upenn.eduXu & Jing reported a monotonic relationship between the host halo mass M _h and the morphology of massive central galaxies, characterized by the Sérsic index n , at fixed stellar mass, suggesting that morphology could serve as a good secondary proxy for the halo mass. Since their results were derived using the indirect abundance matching method, we further investigate the connection between the halo properties and central galaxy morphology using weak gravitational lensing. We apply galaxy–galaxy lensing to measure the excess surface density around CMASS central galaxies with stellar masses in the range of $11.3\lt \mathrm{log}{{M}}_{* }/{{M}}_{\odot }\lt 11.7$ , using the Hyper Suprime-Cam shear catalog processed through the Fourier_Quad pipeline. By dividing the sample based on n , we confirm a positive correlation between n and M _h , and observe possible evidence of the positive correlation of n and halo concentration. After accounting for color, we find that neither color nor morphology alone can determine the halo mass, suggesting that a combination of both may serve as a better secondary proxy. In comparison to hydrodynamic simulations, we find that TNG300 produces much weaker correlations between M _h and n . Furthermore, using SIMBA simulations with different feedback modes, we find that jet-mode active galactic nuclei feedback might be related to the relationship between the Sérsic index and halo mass.https://doi.org/10.3847/1538-4357/add883Galaxy quenchingGalaxy dark matter halosGalaxy structure |
| spellingShingle | Zhenjie Liu Kun Xu Jun Zhang Wenting Wang Cong Liu The Dependence of Dark Matter Halo Properties on the Morphology of Their Central Galaxies from Weak Lensing The Astrophysical Journal Galaxy quenching Galaxy dark matter halos Galaxy structure |
| title | The Dependence of Dark Matter Halo Properties on the Morphology of Their Central Galaxies from Weak Lensing |
| title_full | The Dependence of Dark Matter Halo Properties on the Morphology of Their Central Galaxies from Weak Lensing |
| title_fullStr | The Dependence of Dark Matter Halo Properties on the Morphology of Their Central Galaxies from Weak Lensing |
| title_full_unstemmed | The Dependence of Dark Matter Halo Properties on the Morphology of Their Central Galaxies from Weak Lensing |
| title_short | The Dependence of Dark Matter Halo Properties on the Morphology of Their Central Galaxies from Weak Lensing |
| title_sort | dependence of dark matter halo properties on the morphology of their central galaxies from weak lensing |
| topic | Galaxy quenching Galaxy dark matter halos Galaxy structure |
| url | https://doi.org/10.3847/1538-4357/add883 |
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