Hydrodynamical structure formation in Milgromian cosmology

N Wittenburg, P Kroupa, I Banik… - Monthly Notices of …, 2023 - academic.oup.com
We present the first hydrodynamical cosmological simulations in the νHDM framework
based on Milgromian dynamics (MOND) with light (11 eV) sterile neutrinos. νHDM can …

Modelling the mass accretion histories of dark matter haloes using a gamma formalism

A Katsianis, X Yang, M Fong… - Monthly Notices of the …, 2023 - academic.oup.com
We present a physical model of the mass accretion histories (MAH) of haloes in
concordance with the observed cosmic star formation rate density (CSFRD). We model the …

CSST large-scale structure analysis pipeline: I. Constructing reference mock galaxy redshift surveys

Y Gu, X Yang, J Han, Y Wang, Q Li… - Monthly Notices of …, 2024 - academic.oup.com
In this paper, we set out to construct a set of reference mock galaxy redshift surveys
(MGRSs) for the future Chinese Space-station Survey Telescope (CSST) observation, where …

The Galaxy Number Density Profile of Halos

F Qin, D Parkinson, ARH Stevens… - The Astrophysical …, 2023 - iopscience.iop.org
More precise measurements of galaxy clustering will be provided by the next generation of
galaxy surveys, such as DESI, WALLABY, and the Square Kilometre Array. To utilize this …

Halo mass-observable proxy scaling relations and their dependencies on galaxy and group properties

Z Zhang, H Wang, W Luo, H Mo, J Zhang… - The Astrophysical …, 2023 - iopscience.iop.org
Based on the DECaLS shear catalog, we study the scaling relations between halo mass (M
h) and various proxies for Sloan Digital Sky Survey central galaxies, including stellar mass …

Satellite content and halo mass of galaxy clusters: comparison between red-sequence and halo-based optical cluster finders

JB Golden-Marx, Y Zu, J Wang, H Li… - Monthly Notices of …, 2023 - academic.oup.com
Cluster cosmology depends critically on how optical clusters are selected from imaging
surveys. We compare the conditional luminosity function (CLF) and weak-lensing (WL) halo …

DESI Legacy Imaging Surveys Data Release 9: Cosmological constraints from galaxy clustering and weak lensing using the minimal bias model

H Xu, H Li, J Zhang, X Yang, P Zhang, M He… - Science China Physics …, 2023 - Springer
We present a tentative constraint on cosmological parameters Ω m and σ 8 from a joint
analysis of galaxy clustering and galaxy-galaxy lensing from DESI Legacy Imaging Surveys …

Dependence of galactic bars on the tidal density field in the SDSS

Q Deng, Y Zu, S Alam, Y Yoon - Monthly Notices of the Royal …, 2023 - academic.oup.com
As a key driver of the secular evolution of disc galaxies, bar formation is potentially linked to
the surrounding tidal field. We systematically investigate the dependence of bars on both the …

The Jiao Tong University Spectroscopic Telescope Project

C Liu, Y Zu, F Feng, Z Li, Y Yu, H Bai, X Cui… - arXiv preprint arXiv …, 2024 - arxiv.org
The Jiao Tong University Spectroscopic Telescope (JUST) is a 4.4-meter f/6.0
segmentedmirror telescope dedicated to spectroscopic observations. The JUST primary …

Tele-Correlation: Calibrating Shear-Shear Correlation with Real Data

Z Shen, J Zhang, C Liu, H Li, H Wang, Z Liu… - arXiv preprint arXiv …, 2024 - arxiv.org
Tele-correlation refers to the correlation of galaxy shapes with large angular separations
(eg, $> 100$ degrees). Since there are no astrophysical reasons causing such a correlation …