Stellar, planetary, and galactic studies
- Xianyu Liu University of Michigan
- Xiaofeng Mai Shanghai Astronomical Observatory
- Xiaojun Norwegian PSC Research Center
- Xiaoxia Zhang Xiamen University
- Xin Liu University of Illinois at Urbana-Champaign
- Xin Wang
- Xingzhu Zou
- Xinwen Shu
- Xinzhong Er Tianjin Normal University
- X. Feng
- Xufan Hu
- Xunchuan Liu Leiden University
- Y. W. Ni Nanjing University
- Yang Chen University of Michigan
- Yang Guo Nanjing University
- Yangfan Shi European Southern Observatory
- Yash Bhargava Osservatorio Astronomico di Cagliari
- Yash Gondhalekar University College London
- Yashvi Sharma California Institute of Technology
- Yasunori Hori Okayama University
- Yatendra Singh Mangalayatan University
- Yifan Huang University of Alabama in Huntsville
- Yihao Zheng
- Yihua Li Nanjing University
- Yimeng Tang University of California
- yogendra kumar
- Yogesh C. Joshi Aryabhatta Research Institute of Observational Sciences
- Yogesh Wadadekar National Centre for Radio Astrophysics
- 张勇 National Astronomical Observatories
- Yoshiharu Shinnaka Kyoto Sangyo University
- yu pan
- Yu Zhang Xinjiang Astronomical Observatory
- Yu-Ling Chang
- Yuan Chen Max Planck Institute for Extraterrestrial Physics
- Yuan-Sen Ting The Ohio State University
- Yuanyuan Zhang NSF NOIRLab
- Yucong Li National Space Science Center
- Yuhang Gao KU Leuven
- Yuri Aikawa
- Yuri Shchekinov Raman Research Institute
- Yusra AlSayyad
- Yutong Shan
- Sreedhar Yuvraj Harsha
- Yvette Cendes
- Zenia Zuraiq Indian Institute of Science Bangalore
- Zhefu Yu Stanford University
- Zhenguang Huang University of Science and Technology of China
- Zhenyu Wang Yunnan Observatories
- Zhihui Li
- Zhijie Qu Tsinghua University
- Zhijie Zhang Shanghai Jiao Tong University
- Zhiwei Shao
- Zhiyuan Li Nanjing University
- Zhongdong Lin
- Zhongxiang Wang Yunnan University
- Zhuoqi Liu University of Michigan
- Ziqi Wu Peking University
- Zoe McGrath Liverpool John Moores University
- Zubair Ibrahim Shaikh University of California
- Zuzana Kaňuchová Slovak Academy of Sciences
- 甘为群
- 崇 浜名
- 敏航 郭 Shanghai Astronomical Observatory
- 李丽萍 李 Yunnan Observatories
- 直輝 郷田
- 雨璇 邹 Fudan University