47 citations · 248 across the 20 of their papers we have counts for
21 papers
Galaxy Clusters from the DESI Legacy Imaging Surveys. IV. Alignment of Member Galaxy Orientations at z < 0.5
Zhaobin Chen, Yizhou Gu, Shufei Liu +2
Using DESI photometric catalog data, we systematically analyze the spatial alignment of star-forming galaxies (SFGs) and quiescent galaxies (QGs) in clusters. The results reveal th…
An efficient unsupervised classification model for galaxy morphology: Voting clustering based on coding from ConvNeXt large model
Guanwen Fang, Yao Dai, Zesen Lin +6
In this work, we update the unsupervised machine learning (UML) step by proposing an algorithm based on ConvNeXt large model coding to improve the efficiency of unlabeled galaxy mo…
Preparation for CSST: Star-galaxy Classification using a Rotationally Invariant Supervised Machine Learning Method
Shiliang Zhang, Guanwen Fang, Jie Song +6
Most existing star-galaxy classifiers depend on the reduced information from catalogs, necessitating careful data processing and feature extraction. In this study, we employ a supe…
USmorph: An Updated Framework of Automatic Classification of Galaxy Morphologies and Its Application to Galaxies in the COSMOS Field
Jie Song, GuanWen Fang, Shuo Ba +9
Morphological classification conveys abundant information on the formation, evolution, and environment of galaxies. In this work, we refine the two-step galaxy morphological classi…
Galaxy Clusters from the DESI Legacy Imaging Surveys.II. Environment effects on size-mass relation
Zhaobin Chen, Yizhou Gu, Hu Zou +1
To investigate the environment effects on size growth of galaxies, we study the size-mass relation across a broad range of environment with a vast sample of approximately 32 millio…
Solution to the conflict between the resolved and unresolved galaxy stellar mass estimation from the perspective of JWST
Jie Song, GuanWen Fang, Zesen Lin +2
By utilizing the spatially-resolved photometry of galaxies at in the CEERS field, we estimate the resolved and unresolved stellar mass via spectral energy distribution…
The Classification of Galaxy Morphology in H-band of COSMOS-DASH Field: a combination-based machine learning clustering model
Yao Dai, Jun Xu, Jie Song +6
By applying our previously developed two-step scheme for galaxy morphology classification, we present a catalog of galaxy morphology for H-band selected massive galaxies in the COS…
The effect of environment on the properties of the most massive galaxies at in the cosmos-dash field
Jie Song, Guanwen Fang, Yizhou Gu +2
How the environment influences the most massive galaxies is still unclear. To explore the environmental effects on morphology and star formation in the most massive galaxies at hig…
The physical properties of massive green valley galaxies as a function of environments at in 3D-\textit{HST}/CANDELS fields
Wenjun Chang, Guanwen Fang, Yizhou Gu +3
To investigate the effects of environment in the quenching phase, we study the empirical relations for green valley (GV) galaxies between overdensity and other physical properties…
Morphological Transformation and Star Formation Quenching of Massive Galaxies at 0.5 < z < 2.5 in 3D-HST/CANDELS
Shuang Liu, Yizhou Gu, Qirong Yuan +4
To figure out the effect of stellar mass and local environment on morphological transformation and star formation quenching in galaxies, we use the massive ($M_* \geq 10^{10} M_{\o…
The effect of environment on star formation activity and morphology at 0.5 < z < 2.5 in CANDELS
Yizhou Gu, Guanwen Fang, Qirong Yuan +2
To explore the effect of environment on star-formation and morphological transformation of high-redshift galaxies, we present a robust estimation of localized galaxy overdensity us…
The effect of the morphological quenching mechanism on star formation activity at 0.5 < z < 1.5 in 3D-HST/CANDELS
Shiying Lu, Guanwen Fang, Yizhou Gu +3
Several mechanisms for the transformation of blue star-forming to red quiescent galaxies have been proposed, and the green valley (GV) galaxies amid them are widely accepted in a t…
The Compact Star-Forming Galaxies at in 3D-HST/CANDELS: AGN and Non-AGN Physical Properties
Shiying Lu, Yizhou Gu, Guanwen Fang +3
We investigate the differences in the stellar population properties, the structure, and the environment between massive compact star-forming galaxies (cSFGs) with or without active…
Structures, stellar population properties, AGN fractions, and environments of massive compact galaxies at in 3D--{\it HST}/CANDELS
Yizhou Gu, Guanwen Fang, Qirong Yuan +1
We present a study on structures and physical properties of massive ($M_* >10^{10} M_{\sun} $) compact galaxies at in five 3D--{\it HST}/CANDELS fields. Compared with t…
The mass dependence of structure, star formation rate, and mass assembly mode at 0.5<z< 2.5
Yizhou Gu, Guanwen Fang, Qirong Yuan +5
To investigate the mass dependence of structural transformation and star formation quenching, we construct three galaxy samples using massive () red, green…
The Third Data Release of the Beijing-Arizona Sky Survey
Hu Zou, Xu Zhou, Xiaohui Fan +45
The Beijing-Arizona Sky Survey (BASS) is a wide and deep imaging survey to cover a 5400 deg area in the Northern Galactic Cap with the 2.3m Bok telescope using two filters (…
The abundance of massive compact galaxies at in 3D-HST/CANDELS
Shi-Ying Lu, Yi-Zhou Gu, Guan-Wen Fang +1
Based on a large sample of massive () compact galaxies at in five 3D-HST/CANDELS fields, we quantify the fractional abundance and comov…
Effect of richness on AGN and star formation activities in SDSS galaxy groups
Feng Li, Yi-Zhou Gu, Qi-Rong Yuan +3
Based on a large sample of 254 220 galaxies in 81 089 groups, which are selected from the spectroscopic galaxy sample of the SDSS DR12, we investigate the radial distribution of in…
Mass - metallicity relation and fundamental metallicity relation of metal-poor star-forming galaxies at from the eBOSS survey
Yulong Gao, Min Bao, Qirong Yuan +7
The stellar mass-metallicity relation (, MZR) indicates that the metallicities of galaxies increase with increasing stellar masses. The fundamental metallicity relation (F…
The morphological evolution, AGN fractions, dust content, environments, and downsizing of massive green valley galaxies at 0.5<z<2.5 in 3D-HST/CANDELS
Yizhou Gu, Guanwen Fang, Qirong Yuan +2
To explore the evolutionary connection among red, green, and blue galaxy populations, based on a sample of massive () galaxies at 0.5<z<2.5 in five 3D-HST…
The Second Data Release of the Beijing-Arizona Sky Survey
Hu Zou, Tianmeng Zhang, Zhimin Zhou +28
This paper presents the second data release (DR2) of the Beijing-Arizona Sky Survey (BASS). BASS is an imaging survey of about 5400 deg in and bands using the 2.3 m Bok…