Yun-Ao Xiao / Academic profile

Publications

10 journal articles, including 9 co-authored papers, and 1 preprint. See also my ORCID record.

First-author publications

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

The Astronomical Journal, 169, 195 · 2025

Yun-Ao Xiao et al.

All 12 authors

Yun-Ao Xiao, Hu Zou, Xin Xu, Lu Feng, Wei-Jian Guo, Wen-Xiong Li, Shu-Fei Liu, Zhi-Xia Shen, Gaurav Singh, Ji-Peng Sui, Jia-Li Wang, Sui-Jian Xue

A galaxy-referenced proper-motion catalog combining SDSS and DESI imaging across a roughly 13-year baseline, extending astrometry to faint sources beyond the Gaia magnitude limit.

Sky maps of proper-motion offsets and uncertainties in the SDSS–DESI catalog
Proper-motion offsets and uncertainties across the SDSS–DESI survey footprint.

Journal article · arXiv · Details

Co-authored publications

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

The Astrophysical Journal Supplement Series, 286, 34 · 2026

Niu Li et al. (including Yun-Ao Xiao)

All 10 authors

Niu Li, Hu Zou, Jinfu Gou, Weijian Guo, Wenxiong Li, Haoming Song, Jipeng Sui, Xi Tan, Yunao Xiao, Jingyi Zhang

Spectral fitting of 6.7 million DESI Bright Galaxy Survey spectra, with mock-data tests to assess the reliability of galaxy parameters and emission-line measurements.

Journal article · arXiv · Details

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

The Astrophysical Journal Letters, 1005, L45 · 2026

Runyu Zhu et al. (including Yun-Ao Xiao)

All 17 authors

Runyu Zhu, Hu Zou, Taotao Fang, Enci Wang, Zeyu Chen, Zhaobin Chen, Weiyu Ding, Jinfu Gou, Weijian Guo, Niu Li, Wenxiong Li, Shufei Liu, Haoming Song, Jipeng Sui, Xi Tan, Yunao Xiao, Jingyi Zhang

A comparison of cool gas around brightest cluster galaxies and field galaxies using absorption in background quasar spectra, tracing how dense environments affect gaseous halos.

Journal article · arXiv · Details

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

The Astronomical Journal, 171, 351 · 2026

Jipeng Sui et al. (including Yun-Ao Xiao)

All 46 authors

Jipeng Sui, Hu Zou, Dirk Scholte, Amélie Saintonge, Mar Mezcua, Malgorzata Siudek, Wenxiong Li, Wei-Jian Guo, Shufei Liu, Yunao Xiao, Francisco Prada, Siwei Zou, Jessica Nicole Aguilar, Steven Ahlen, Carlos Allende Prieto, Davide Bianchi, David Brooks, Yu-Ling Chang, Todd Claybaugh, Andrei Cuceu, Axel de la Macorra, Peter Doel, Jaime E. Forero-Romero, Enrique Gaztañaga, Satya Gontcho A Gontcho, Gaston Gutierrez, ChangHoon Hahn, Dick Joyce, Robert Kehoe, Martin Landriau, Laurent Le Guillou, Yifei Luo, Aaron Meisner, Ramon Miquel, Seshadri Nadathur, Nathalie Palanque-Delabrouille, Will Percival, Ignasi Pérez-Ràfols, Graziano Rossi, Eusebio Sanchez, David Schlegel, Hee-Jong Seo, Joseph Harry Silber, David Sprayberry, Gregory Tarlé, Benjamin Alan Weaver

A search for extremely metal-poor galaxies in DESI DR1 and an investigation of their connections to star-forming galaxies in the early Universe.

Journal article · arXiv · Details

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

Astronomy & Astrophysics, 709, A239 · 2026

Ling Wang et al. (including Yun-Ao Xiao)

All 45 authors

Ling Wang, Zhu Chen, Zhijian Luo, Liping Fu, Zuhui Fan, Wei Du, Yaoming Lei, Zhang Ban, Yuedong Fang, Yi Hu, Xin Ji, Guoliang Li, Xiaobo Li, Jiaqi Lin, Chenxiaoji Ling, Chao Liu, Dezi Liu, Changqing Luo, Yu Luo, Bin Ma, Xianmin Meng, Jundan Nie, Juanjuan Ren, Li Shao, Jianing Tang, Hao Tian, Feng Wang, Chengliang Wei, Peng Wei, Shoulin Wei, Kaichao Wu, You Wu, Yun-Ao Xiao, Zhou Xie, Yibo Yan, Su Yao, Yan Yu, Bo Zhang, Shengwen Zhang, Tianmeng Zhang, Xiaoli Zhang, Xin Zhang, Bowei Zhao, Zhimin Zhou, Hu Zou

An evaluation of missing-data imputation for CSST photometry, examining its consequences for photometric redshifts under different patterns of missing observations.

Journal article · arXiv · Details

A Robust Geometric Distortion Solution for the Main Survey Camera of CSST

The Astronomical Journal, 171, 264 · 2026

Yibo Yan et al. (including Yun-Ao Xiao)

All 33 authors

Yibo Yan, You Wu, Jundan Nie, Tianmeng Zhang, Chao Liu, Zhang Ban, Zihuang Cao, Wei Du, Yuedong Fang, Yi Hu, Guoliang Li, Xiaobo Li, Chenxiaoji Ling, Jiaqi Lin, Dezi Liu, Yu Luo, Bin Ma, Xianmin Meng, Juanjuan Ren, Li Shao, Hao Tian, Chengliang Wei, Peng Wei, Shoulin Wei, Yun-Ao Xiao, Zhou Xie, Su Yao, Yan Yu, Shengwen Zhang, Xin Zhang, Bowei Zhao, Zhimin Zhou, Hu Zou

A weighted polynomial approach to geometric-distortion correction, tested with simulated CSST observations and Beijing–Arizona Sky Survey data.

Journal article · arXiv · Details

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

Monthly Notices of the Royal Astronomical Society, 544, 3350–3360 · 2025

Shufei Liu et al. (including Yun-Ao Xiao)

All 13 authors

Shufei Liu, Hu Zou, Jinfu Gou, Weijian Guo, Niu Li, Wenxiong Li, Gaurav Singh, Haoming Song, Jipeng Sui, Xi Tan, Yunao Xiao, Jingyi Zhang, Lu Feng

A study of how the star-forming fraction of brightest cluster galaxies depends on redshift, halo mass, and stellar mass, using DESI Legacy Imaging Surveys data.

Journal article · arXiv · Details

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

The Astrophysical Journal Letters, 989, L39 · 2025

Yi-Han Iris Yin et al. (including Yun-Ao Xiao)

All 59 authors

Yi-Han Iris Yin, Yuan Fang, Bin-Bin Zhang, Chen Deng, Jun Yang, Run-Chao Chen, Yuan Liu, Yehao Cheng, Dong Xu, Xiaofeng Wang, Rongfeng Shen, Rui-Zhi Li, Jirong Mao, Wen-Xiong Li, Alberto Javier Castro-Tirado, Weihua Lei, Shao-Yu Fu, Yuan-Pei Yang, Shuai-Qing Jiang, Jie An, Chun Chen, Zhong-Nan Dong, Guowang Du, Ali Esamdin, Zhou Fan, Haicheng Feng, Lu Feng, Emilio Fernández-García, Xing Gao, Maria Gritsevich, Wei-Jian Guo, Jingwei Hu, You-Dong Hu, Yanlong Hua, Abdusamatjan Iskandar, Junjie Jin, Niu Li, Xia Li, Ziwei Li, Jia-Qi Lin, Dezi Liu, Jinzhong Liu, Qichun Liu, Xiaowei Liu, Xing Liu, Daniele B. Malesani, Ignacio Pérez-García, Hui Sun, Xue-Feng Wu, Yun-Ao Xiao, Ding-Rong Xiong, Shengyu Yan, Beibei Zhang, Jinghua Zhang, Haichang Zhu, Zipei Zhu, Hu Zou, Weimin Yuan, Bing Zhang

Multiwavelength observations of GRB 250404A/EP250404a link X-ray spectral hardening to the emergence of the external-shock afterglow.

Journal article · arXiv · Details

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

The Astrophysical Journal Supplement Series, 278, 28 · 2025

Wei-Jian Guo et al. (including Yun-Ao Xiao)

All 36 authors

Wei-Jian Guo, Hu Zou, Claire L. Greenwell, David M. Alexander, Victoria A. Fawcett, Zhiwei Pan, Małgorzata Siudek, Jessica Nicole Aguilar, Steven Ahlen, David Brooks, Todd Claybaugh, Kyle Dawson, Axel de la Macorra, Peter Doel, Andreu Font-Ribera, Enrique Gaztañaga, Satya Gontcho A Gontcho, Gaston Gutierrez, Robert Kehoe, Theodore Kisner, Martin Landriau, Laurent Le Guillou, Marc Manera, Aaron Meisner, Ramon Miquel, John Moustakas, Francisco Prada, Graziano Rossi, Eusebio Sanchez, Michael Schubnell, David Sprayberry, Jipeng Sui, Gregory Tarlé, Benjamin Alan Weaver, Yun-Ao Xiao, Siwei Zou

A statistical study of changing-look active galactic nuclei identified by comparing DESI and SDSS spectra, examining changes in broad emission lines and accretion behavior.

Journal article · arXiv · Details

CSST large scale structure analysis pipeline: III. Emission-line redshift measurement for slitless spectra

Monthly Notices of the Royal Astronomical Society, 538, 395–407 · 2025

Jipeng Sui et al. (including Yun-Ao Xiao)

All 24 authors

Jipeng Sui, Hu Zou, Xiaohu Yang, Xianzhong Zheng, Run Wen, Yizhou Gu, Weiyu Ding, Lu Feng, Hong Guo, Wei-Jian Guo, Yunkun Han, Yipeng Jing, Cheng Li, Wenxiong Li, Shufei Liu, Zhixia Shen, Gaurav Singh, Jiali Wang, Peng Wei, Yunao Xiao, Suijian Xue, Hu Zhan, Pengjie Zhang, Gongbo Zhao

An emission-line matching pipeline for measuring redshifts from CSST slitless spectra, validated using simulated observations.

Journal article · arXiv · Details

Preprints