activity
20222026
most citedPhotometric redshifts and Galaxy Clusters for DES DR2, DESI DR9, and HSC-SSP PDR3 Data

28 citations · 41 across the 7 of their papers we have counts for

collaborators

8 papers

astro-ph.GA2026

Radio Activity Across Accretion State Changes in Changing-look AGNs: Insights from FIRST and VLASS over Two Decades

Zhi-Qiang Chen, Wei-Jian Guo, Victoria A. Fawcett +8

Changing-look active galactic nuclei (CL-AGNs) provide a unique opportunity to probe the coupling between accretion flows and relativistic jets in supermassive black holes. We inve…

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.HE2025★ 13 cited

Spectral Hardening Reveals Afterglow Emergence in Long-Duration Fast X-ray Transients: A Case Study of GRB 250404A/EP250404a

Yi-Han Iris Yin, Yuan Fang, Bin-Bin Zhang +56

The prompt emission and afterglow phases of gamma-ray bursts (GRBs) have been extensively studied, yet the transition between these two phases remains inadequately characterized du…

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.CO2025

CSST Large Scale Structure Analysis Pipeline: III. Emission-line Redshift Measurement for Slitless Spectra

Jipeng Sui, Hu Zou, Xiaohu Yang +21

The China Space Station Telescope (CSST) is a forthcoming space-based optical telescope designed to co-orbit with the Chinese Space Station. With a planned slitless spectroscopic s…

astro-ph.SR2025

A method for statistical research on binary stars using radial velocities

Luo Feng, Zhao YongHeng, Liu Chao

Binary stars are fundamental to astrophysics, providing critical insights into stellar evolution, galactic dynamics, and fundamental physics. However, the high dimensionality of or…

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…

astro-ph.GA2022★ 28 cited

Photometric redshifts and Galaxy Clusters for DES DR2, DESI DR9, and HSC-SSP PDR3 Data

Hu Zou, Jipeng Sui, Suijian Xue +8

Photometric redshift (photo-z) is a fundamental parameter for multi-wavelength photometric surveys, while galaxy clusters are important cosmological probers and ideal objects for e…