Zobrazeno 1 - 10
of 137
pro vyhledávání: '"Zhao, Donghai"'
Autor:
He, Jiaxin, Wang, Wenting, Li, Zhaozhou, Han, Jiaxin, Rodriguez-Gomez, Vicente, Zhao, Donghai, Meng, Xianguang, Jing, Yipeng, Shao, Shi, Shi, Rui, Tan, Zhenlin
We investigate the mass ($M_{200}$) and concentration ($c_{200}$) dependencies of the velocity anisotropy ($\beta$) profiles for different components in the dark matter halo, including halo stars, dark matter and subhalos, using systems from the Illu
Externí odkaz:
http://arxiv.org/abs/2407.14827
Autor:
Zheng, Yun, Xu, Kun, Jing, Y. P., Zhao, Donghai, Gao, Hongyu, Luo, Xiaolin, Han, Jiaxin, Yu, Yu, Li, Ming
The roles that mass and environment play in the galaxy quenching are still under debate. Leveraging the Photometric objects Around Cosmic webs (PAC) method, we analyze the excess surface distribution $\bar{n}_2w_{\rm{p}}(r_{\rm{p}})$ of photometric g
Externí odkaz:
http://arxiv.org/abs/2401.11997
Publikováno v:
The Astrophysical Journal, 967:17 (13pp), 2024 May 20
The Photometric objects Around Cosmic webs (PAC) approach developed in Xu et al. (2022b) has the advantage of making full use of spectroscopic and deeper photometric surveys. With the merits of PAC, the excess surface density $\bar{n}_2w_{{\rm{p}}}$
Externí odkaz:
http://arxiv.org/abs/2401.00565
Autor:
Gao, Hongyu, Jing, Y. P., Xu, Kun, Zhao, Donghai, Gui, Shanquan, Zheng, Yun, Luo, Xiaolin, Aguilar, Jessica Nicole, Ahlen, Steven, Brooks, David, Claybaugh, Todd, Cole, Shaun, de la Macorra, Axel, Forero-Romero, Jaime E., Gontcho, Satya Gontcho A, Ishak, Mustapha, Lambert, Andrew, Landriau, Martin, Manera, Marc, Meisner, Aaron, Miquel, Ramon, Nie, Jundan, Rezaie, Mehdi, Rossi, Graziano, Sanchez, Eusebio, Schubnell, Michael, Seo, Hee-Jong, Tarlé, Gregory, Weaver, Benjamin Alan, Zhou, Zhimin
Galactic conformity is the phenomenon in which a galaxy of a certain physical property is correlated with its neighbors of the same property, implying a possible causal relationship. The observed auto correlations of emission line galaxies (ELGs) fro
Externí odkaz:
http://arxiv.org/abs/2309.03802
Publikováno v:
The Astrophysical Journal, Volume 957, 2023, Number 1
We investigate the alignment of galaxy and halo orientations using the TNG300-1 hydrodynamical simulation. Our analysis reveals that the distribution of the 2D misalignment angle $\theta_{\rm{2D}}$ can be well described by a truncated shifted exponen
Externí odkaz:
http://arxiv.org/abs/2307.12334
Autor:
Gao, Hongyu, Jing, Y. P., Gui, Shanquan, Xu, Kun, Zheng, Yun, Zhao, Donghai, Aguilar, Jessica Nicole, Ahlen, Steven, Brooks, David, Claybaugh, Todd, Dawson, Kyle, de la Macorra, Axel, Doel, Peter, Fanning, Kevin, Forero-Romero, Jaime E., Gontcho, Satya Gontcho A, Guy, Julien, Honscheid, Klaus, Kehoe, Robert, Landriau, Martin, Manera, Marc, Meisner, Aaron, Miquel, Ramon, Moustakas, John, Newman, Jeffrey A., Nie, Jundan, Percival, Will, Rossi, Graziano, Schubnell, Michael, Seo, Hee-Jong, Tarlé, Gregory, Weaver, Benjamin Alan, Yu, Jiaxi, Zhou, Zhimin
In the current Dark Energy Spectroscopic Instrument (DESI) survey, emission line galaxies (ELGs) and luminous red galaxies (LRGs) are essential for mapping the dark matter distribution at $z \sim 1$. We measure the auto and cross correlation function
Externí odkaz:
http://arxiv.org/abs/2306.06317
We employ a set of high resolution N-body simulations to study the merger rate of dark matter halos. We define a specific merger rate by normalizing the average number of mergers per halo with the logarithmic mass growth change of the hosts at the ti
Externí odkaz:
http://arxiv.org/abs/2112.08047
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