General

Dr. Yanjun Xu  Associate Researcher

​Ph.D. Advisor, Particle Astrophysics Division   

Institute of High Energy Physics, Chinese Academy of Sciences


Email: xuyj@ihep.ac.cn

Address: Room 434, Multidisciplinary Building, Institute of High Energy Physics, Chinese Academy of Sciences, No. 19B, Yuquan Road, Shijingshan District, Beijing, 100049

Research Interests

Accretion and Evolution of Stellar-mass and Supermassive Black Holes；Active Galactic Nuclei; X-ray Binary; Accretion Physics


  • Active Galactic Nuclei:  theoretical studies of super-Eddington accretion physics and multi-wavelength observations
  • Nearby Galaxies: population studies of X-ray sources in nearby galaxies
  • X-ray binaries: accretion physics of X-ray binaries

Education

2015-09--2021-06   California Institute of Technology                        Ph.D., Physics

2011-09--2015-07   University of Science and Technology of China      B.S., Astronomy

Work Experience

2022-09~                Institute of High Energy Physics, CAS         Associate Researcher

2021-07~2022-06    California Institute of Technology               Postdoctoral Research Associate


Publications

Full academic publication list link in NASA ADS (Total Citations > 5000): 

ADS Link

Research Activities

Approved Observation Proposals:

  • EP (Cycle-1 & Cycle-2) - EP/FXT Monitoring and Follow-up Observations of a List of Nearby Galaxies
  • EP  (Cycle-1 & Cycle-2) - EP/FXT Monitoring and Follow-up Observations of a List of Globular Clusters
  • EP (Cycle-1 & Cycle-2) -  EP/WXT Monitoring and FXT Rapid Follow-up Observations of a List of Known Transient X-ray Binaries
  • NuSTAR (AO-4) -The Bright Hard State of a Transient Black Hole Binary — Is the Accretion Disk Truncated?

Current and Past Group Members

Graduate students：


  • Kangting Wang (2025-)
  • Haoxiang Zhang (2026-)


Postdoc researchers


  • Cao Zheng (Radboud University, PhD; 2025 - )
  • Liu Hexin (IHEP CAS, PhD; 2023 -2025；Lecturer at Qinghai University)


Research Interns:


  • Beijing Aoxiang Program 2025: Boqin Yang, Yuhang Li, Wenjie Yao (Beijing Dongzhimen High School)
  • IHEP Innovation Program 2026: Jintao Li (Shandong University), Shaoyang Xu (Hebei University of Technology), Manyuan Mo (Southwest Jiaotong University), Xinxing Wu (Lanzhou University)


Honors & Distinctions

Garmire Scholar, France A. Córdova Graduate Student Fund | Caltech [2020]

National Astronomical Observatory Scholarship | Chinese Academy of Sciences [2015]

National Scholarship | Ministry of Education of P.R.China 2020 [2014]