activity
20242026
most citedChanging-look Active Galactic Nuclei from the Dark Energy Spectroscopic Instrument. II. Statistical Properties from the First Data Release

3 citations · 3 across the 8 of their papers we have counts for

collaborators
Showing astro-ph.GAShow all

8 papers · 1 filter

astro-ph.GA2026

Physical Properties of 6.7 Million Galaxies from the DESI Bright Galaxy Survey: Spectral Fitting and Systematic Tests with Mock Spectra

Niu Li, Hu Zou, Jinfu Gou +7

We present a comprehensive analysis of the physical properties of galaxies in the Dark Energy Spectroscopic Instrument (DESI) Data Release 1 (DR1) Bright Galaxy Survey (BGS), based…

astro-ph.GA2026

Environmental Imprints on the Assembly of the Cool Gas around Bright Cluster Galaxies

Runyu Zhu, Hu Zou, Taotao Fang +14

Galaxy clusters represent extreme cosmic laboratories where environmental processes dramatically reshape their constituent galaxies, yet their effect on the gaseous halos of centra…

astro-ph.GA2026

Comparative analysis of missing data imputation methods for CSST survey: Impact on photometric redshift estimation performance

Ling Wang, Zhu Chen, Zhijian Luo +42

Improving the accuracy of photometric redshifts (photo-) is essential for reliable statistical studies of cosmology and galaxy evolution. However, missing photometric bands are…

astro-ph.GA2026

Extremely Metal-Poor Galaxies in DESI DR1: Connections to Galaxies in the Early Universe

Jipeng Sui, Hu Zou, Dirk Scholte +43

Extremely Metal-Poor Galaxies (XMPGs), defined as having metallicities below 10\% of the solar value, are considered possible local analogs to primordial systems and offer a unique…

astro-ph.GA2025

Galaxy clusters from the DESI Legacy Imaging Surveys -- III. Star-forming fraction of brightest cluster galaxies

Shufei Liu, Hu Zou, Jinfu Gou +10

This study investigates the evolution of the star-forming fraction () of Brightest Cluster Galaxies (BCGs) at , using the galaxy clusters identified from th…

astro-ph.GA2025

Characterizing the Palomar 5 Stream: HDBSCAN Analysis and Galactic Halo Constraints

Yun-Ao Xiao, Hu Zou, Lu Feng +8

We utilize the DESI Legacy Imaging Surveys DR10 to investigate the previously undetected faint extension of the Palomar 5 stellar stream. By applying the HDBSCAN clustering algorit…

astro-ph.GA2024★ 3 cited

Changing-look Active Galactic Nuclei from the Dark Energy Spectroscopic Instrument. II. Statistical Properties from the First Data Release

Wei-Jian Guo, Hu Zou, Claire L. Greenwell +33

We present the identification of changing-look active galactic nuclei (CL-AGNs) from the Dark Energy Spectroscopic Instrument First Data Release and Sloan Digital Sky Survey Data R…

astro-ph.GA2024

Star Proper Motions Based on Two-epoch Observations from the SDSS and DESI Imaging Surveys

Yun-Ao Xiao, Hu Zou, Xin Xu +9

In this study, we present the construction of a new proper motion catalog utilizing the photometric data from the Sloan Digital Sky Survey (SDSS) and Dark Energy Spectroscopic Inst…