Zobrazeno 1 - 10
of 11 395
pro vyhledávání: '"individual [Galaxies]"'
Autor:
Lin, Shurui, Villaescusa-Navarro, Francisco, Rose, Jonah, Torrey, Paul, Farahi, Arya, Kollmann, Kassidy E., Garcia, Alex M., Roy, Sandip, Kallivayalil, Nitya, Vogelsberger, Mark, Cai, Yi-Fu, Luo, Wentao
We study the impact of warm dark matter mass on the internal properties of individual galaxies using a large suite of 1,024 state-of-the-art cosmological hydrodynamic simulations from the DREAMS project. We take individual galaxies' properties from t
Externí odkaz:
http://arxiv.org/abs/2401.17940
Autor:
Chen, Hongxiang, Wang, Jie, Mao, Tianxiang, Ma, Juntao, Meng, Yuxi, Li, Baojiu, Cai, Yan-Chuan, Neyrinck, Mark, Falck, Bridget, Szalay, Alexander S.
We present a scheme based on artificial neural networks (ANN) to estimate the line-of-sight velocities of individual galaxies from an observed redshift-space galaxy distribution. We find an estimate of the peculiar velocity at a galaxy based on galax
Externí odkaz:
http://arxiv.org/abs/2312.03469
Akademický článek
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Akademický článek
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Autor:
Pascoli, G.
The existence of the flat rotation curves of galaxies is still perplexing. The dark matter paradigm was proposed long ago to solve this conundrum; however, this proposal is still under debate. In this paper, we search for universal relationships sole
Externí odkaz:
http://arxiv.org/abs/2210.12380
Autor:
Wang, Yang, Napolitano, Nicola R., Cui, Weiguang, Li, Xiao-Dong, Knebe, Alexander, Power, Chris, Pearce, Frazer, Tang, Lin, Yepes, Gustavo, Kang, Xi
The star formation history (SFH) of galaxies is critical for understanding galaxy evolution. Hydrodynamical simulations enable us to precisely reconstruct the SFH of galaxies and establish a link to the underlying physical processes. In this work, we
Externí odkaz:
http://arxiv.org/abs/2207.05600
The HI gas content is a key ingredient in galaxy evolution, the study of which has been limited to moderate cosmological distances for individual galaxies due to the weakness of the hyperfine HI 21-cm transition. Here we present a new approach that a
Externí odkaz:
http://arxiv.org/abs/2108.13442
Autor:
Topping, Michael W., Shapley, Alice E., Reddy, Naveen A., Sanders, Ryan L., Coil, Alison L., Kriek, Mariska, Mobasher, Bahram, Siana, Brian
We present constraints on the massive star and ionized gas properties for a sample of 62 star-forming galaxies at $z\sim2.3$. Using BPASS stellar population models, we fit the rest-UV spectra of galaxies in our sample to estimate age and stellar meta
Externí odkaz:
http://arxiv.org/abs/2008.02282
Autor:
Shurui Lin, Francisco Villaescusa-Navarro, Jonah Rose, Paul Torrey, Arya Farahi, Kassidy E. Kollmann, Alex M. Garcia, Sandip Roy, Mark Vogelsberger, Nitya Kallivayalil, Yi-Fu Cai, Wentao Luo
Publikováno v:
The Astrophysical Journal, Vol 970, Iss 2, p 170 (2024)
We study the impact of warm dark matter (WDM) mass on the internal properties of individual galaxies using a large suite of 1024 state-of-the-art cosmological hydrodynamic simulations from the DREAMS project. We take individual galaxies’ properties
Externí odkaz:
https://doaj.org/article/dc4ab584b457403ba4bbb592c25356f4
Autor:
Shu, Yiping, Bolton, Adam S., Kochanek, Christopher S., Oguri, Masamune, Perez-Fournon, Ismael, Zheng, Zheng, Mao, Shude, Montero-Dorta, Antonio D., Brownstein, Joel R., Marques-Chaves, Rui, Menard, Brice
We introduce the Baryon Oscillation Spectroscopic Survey (BOSS) Emission-Line Lens Survey (BELLS) for GALaxy-Ly$\alpha$ EmitteR sYstems (BELLS GALLERY) Survey, which is a Hubble Space Telescope program to image a sample of galaxy-scale strong gravita
Externí odkaz:
http://arxiv.org/abs/1604.01842