96 citations · 481 across the 22 of their papers we have counts for
23 papers
Establishing HI mass v.s. stellar mass and halo mass scaling relations using an abundance matching method
Yi Lu, Xiaohu Yang, Chengze Liu +5
We combined data from the Sloan Digital Sky Survey (SDSS) and the Arecibo Legacy Fast ALFA Survey (ALFALFA) to establish the HI mass vs. stellar mass and halo mass scaling relation…
Detection of pairwise kinetic Sunyaev-Zel'dovich effect with DESI galaxy groups and Planck in Fourier space
Shaohong Li, Yi Zheng, Ziyang Chen +2
We report a detection of the kinetic Sunyaev-Zel'dovich (kSZ) effect in Fourier space, by combining the DESI galaxy groups and the Planck data. We use the density-weight…
Measuring the conditional luminosity and stellar mass functions of galaxies by combining the DESI LS DR9, SV3 and Y1 data
Yirong Wang, Xiaohu Yang, Yizhou Gu +42
In this investigation, we leverage the combination of Dark Energy Spectroscopic Instrument Legacy imaging Surveys Data Release 9 (DESI LS DR9), Survey Validation 3 (SV3), and Year…
DESI Legacy Imaging Surveys Data Release 9: Cosmological Constraints from Galaxy Clustering and Weak Lensing using the Minimal Bias Model
Haojie Xu, Hekun Li, Jun Zhang +11
We present a tentative constraint on cosmological parameters and from a joint analysis of galaxy clustering and galaxy-galaxy lensing from DESI Legacy Imaging Surveys D…
The conditional colour-magnitude distribution: II. A comparison of galaxy colour and luminosity distribution in galaxy groups
Haojie Xu, Zheng Zheng, Xiaohu Yang +2
The Conditional Colour-Magnitude Distribution (CCMD) is a comprehensive formalism of the colour-magnitude-halo mass relation of galaxies. With joint modelling of a large sample of…
Connection Between SDSS Galaxies and ELUCID Subhaloes in the Eye of Machine Learning
Xiaoju Xu, Xiaohu Yang, Haojie Xu +1
We explore the feasibility of learning the connection between SDSS galaxies and ELUCID subhaloes with random forest (RF). ELUCID is a constrained -body simulation constructed us…
CSST WL preparation I: forecast the impact from non-Gaussian covariances and requirements on systematics-control
Ji Yao, Huanyuan Shan, Ran Li +11
The precise estimation of the statistical errors and accurate removal of the systematical errors are the two major challenges for the stage IV cosmic shear surveys. We explore thei…
Using angular two-point correlations to self-calibrate the photometric redshift distributions of DECaLS DR9
Haojie Xu, Pengjie Zhang, Hui Peng +7
Calibrating the redshift distributions of photometric galaxy samples is essential in weak lensing studies. The self-calibration method combines angular auto- and cross-correlations…
Constraints on neutron skin thickness and nuclear deformations using relativistic heavy-ion collisions from STAR
Haojie Xu
In these proceedings, we present the measurements of neutron skin thickness and nuclear deformation using isobar Ru+Ru and Zr+Zr col…
Halo Properties and Mass Functions of Groups/Clusters from the DESI Legacy Imaging Surveys DR9
Jiaqi Wang, Xiaohu Yang, Jun Zhang +16
Based on a large group/cluster catalog recently constructed from the DESI Legacy Imaging Surveys DR9 using an extended halo-based group finder, we measure and model the group-galax…
Groups and protocluster candidates in the CLAUDS and HSC-SSP joint deep surveys
Qingyang Li, Xiaohu Yang, Chengze Liu +16
Using the extended halo-based group finder developed by Yang et al. (2021), which is able to deal with galaxies via spectroscopic and photometric redshifts simultaneously, we const…
Self-calibration of photometric redshift scatter from DECaLS DR8 power spectrum and validation with simulated catalogues
Hui Peng, Haojie Xu, Le Zhang +2
The uncertainty in the photometric redshift estimation is one of the major systematics in weak lensing cosmology. The self-calibration method is able to reduce this systematics wit…
The clustering of galaxies in the DESI imaging legacy surveys DR8: I. the luminosity and color dependent intrinsic clustering
Zhaoyu Wang, Haojie Xu, Xiaohu Yang +5
In a recent study, we developed a method to model the impact of photometric redshift uncertainty on the two-point correlation function (2PCF). In this method, we can obtain both th…
An Extended Halo-based Group/Cluster finder: application to the DESI legacy imaging surveys DR8
Xiaohu Yang, Haojie Xu, Min He +20
We extend the halo-based group finder developed by \citet[][]{Yang2005a} to use data {\it simultaneously} with either photometric or spectroscopic redshifts. A mock galaxy redshift…
The specific star formation rate function at different mass scales and quenching: A comparison between cosmological models and SDSS
Antonios Katsianis, Haojie Xu, Xiaohu Yang +6
We present the eddington bias corrected Specific Star Formation Rate Function (sSFRF) at different stellar mass scales from a sub-sample of the Sloan Digital Sky Survey Data Releas…
Populating HI gas in dark matter halos: I. method
Yi Lu, Xiaohu Yang, Chengze Liu +4
We combine data from the Sloan Digital Sky Survey (SDSS) and the Arecibo Legacy Fast ALFA Survey (ALFALFA) to establish an empirical model for the HI gas content within dark matter…
The intrinsic SFRF and sSFRF of galaxies: comparing SDSS observation with IllustrisTNG simulation
Ping Zhao, Haojie Xu, Antonios Katsianis +1
The star formation rate function (SFRF) and specific star formation rate function (sSFRF) from the observation are impacted by the Eddington bias, due to the uncertainties on the e…
Separating the Intrinsic Alignment Signal and the Lensing Signal using Self-Calibration in Photo-z Surveys with KiDS450 and KV450 Data
Ji Yao, Eske M. Pedersen, Mustapha Ishak +4
To reach the full potential for the next generation of weak lensing surveys, it is necessary to mitigate the contamination of intrinsic alignments (IA) of galaxies in the observed…
Accurate Modeling of the Projected Galaxy Clustering in Photometric Surveys: I. Tests with Mock Catalogs
Zhaoyu Wang, Haojie Xu, Xiaohu Yang +6
We develop a novel method to explore the galaxy-halo connection using the galaxy imaging surveys by modeling the projected two-point correlation function measured from the galaxies…
The Conditional Colour-Magnitude Distribution: I. A Comprehensive Model of the Colour-Magnitude-Halo Mass Distribution of Present-Day Galaxies
Haojie Xu, Zheng Zheng, Hong Guo +3
We formulate a model of the conditional colour-magnitude distribution (CCMD) to describe the distribution of galaxy luminosity and colour as a function of halo mass. It consists of…
Constraining the HI-Halo Mass Relation From Galaxy Clustering
Hong Guo, Cheng Li, Zheng Zheng +5
We study the dependence of galaxy clustering on atomic gas mass using a sample of 16,000 galaxies with redshift in the range of and HI mass of $M_{\rm HI}>10^…
On the Clustering of Faint Red Galaxies
Haojie Xu, Zheng Zheng, Hong Guo +2
Faint red galaxies in the Sloan Digital Sky Survey show a puzzling clustering pattern in previous measurements. In the two-point correlation function (2PCF), they appear to be stro…
The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: modeling of the luminosity and colour dependence in the Data Release 10
Hong Guo, Zheng Zheng, Idit Zehavi +14
We investigate the luminosity and colour dependence of clustering of CMASS galaxies in the Sloan Digital Sky Survey-III Baryon Oscillation Spectroscopic Survey Tenth Data Release.…