activity
20222026
most citedPhotometric redshift estimation of galaxies in the DESI Legacy Imaging Surveys

18 citations · 30 across the 6 of their papers we have counts for

collaborators

6 papers

astro-ph.GA2026

A Value-added Physical Properties Catalog for Low-redshift Galaxies from DESI Legacy Imaging Surveys DR10

Shirui Wei, Changhua Li, Yanxia Zhang +6

Galaxy physical properties-such as star formation rate (SFR), stellar mass, and gas-phase metallicity-are essential for population studies and evolutionary analyses. Deriving these…

astro-ph.IM2025

A Catalogue of Mid-infrared Variable Sources from unTimely

Zihan kang, Jingyi Zhang, Yanxia Zhang +6

The WISE and NEOWISE missions have provided the only mid-infrared all-sky time-domain data, opening a unique observational window for variability studies. Yet, a comprehensive and…

astro-ph.IM2025

Photometric redshift estimation for emission line galaxies of DESI Legacy Imaging Surveys by CNN-MLP

Shirui Wei, Changhua Li, Yanxia Zhang +13

Emission Line Galaxies (ELGs) are crucial for cosmological studies, particularly in understanding the large-scale structure of the Universe and the role of dark energy. ELGs form a…

astro-ph.GA2024★ 1 cited

Search for young stellar objects within 4XMM-DR13 using CatBoost and SPE

Xiangyao Ma, Yanxia Zhang, Jingyi Zhang +3

Classifying and summarizing large data sets from different sky survey projects is essential for various subsequent scientific research. By combining data from 4XMM-DR13, SDSS DR18,…

astro-ph.IM2023★ 11 cited

Periodic Variable Star Classification with Deep Learning: Handling Data Imbalance in an Ensemble Augmentation Way

Zihan Kang, Yanxia Zhang, Jingyi Zhang +4

Time-domain astronomy is progressing rapidly with the ongoing and upcoming large-scale photometric sky surveys led by the Vera C. Rubin Observatory project (LSST). Billions of vari…

astro-ph.IM2022★ 18 cited

Photometric redshift estimation of galaxies in the DESI Legacy Imaging Surveys

Changhua Li, Yanxia Zhang, Chenzhou Cui +14

The accurate estimation of photometric redshifts plays a crucial role in accomplishing science objectives of the large survey projects. The template-fitting and machine learning ar…