Junjie Mao


  • United Kingdom

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Personal profile

Research Interests

high-resolution X-ray spectroscopy; plasma codes and atomic databases; circumnuclear medium; interstellar medium; intracluster medium; active galactic nuclei; galaxies and assembly of galaxies

Personal Statement

I am currently a research associate at the Department of Physics. I am an astronomer interested in high-resolution X-ray spectroscopy of all kinds of celestial bodies, such as black holes, individual galaxies, assembly of galaxies, as well as the diffuse hot gas between stars and galaxies. I am also interested in atomic processes for astrophysical plasma diagnostics. 
I started my research in astronomy back in 2011 at the National Astronomical Observatory, Chinese Academy of Science (NAOC). I got my M.Sc. degree in astronomy in 2014 from the University of Chinese Academy of Science (UCAS). Then I moved to SRON Netherlands Institute for Space Research (SRON) and Leiden Observatory to grow my research experience in astronomy. I defended my Ph.D. dissertation in 2018 at Leiden University. 

Academic / Professional qualifications

Ph.D. 2018 Leiden University

M.Sc. 2014 University of Chinese Academy of Science 

B.Sc. 2011 Zhejiang University of Technology

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Research Output 2014 2020

Incoherent fast variability of X-ray obscurers. The case of NGC 3783

Marco, B. D., Adhikari, T. P., Ponti, G., Bianchi, S., Kriss, G. A., Arav, N., Behar, E., Branduardi-Raymont, G., Cappi, M., Costantini, E., Costanzo, D., Gesu, L. D., Ebrero, J., Kaastra, J. S., Kaspi, S., Mao, J., Markowitz, A., Matt, G., Mehdipour, M., Middei, R. & 5 others, Paltani, S., Petrucci, P. O., Pinto, C., Różańska, A. & Walton, D. J., 10 Feb 2020, In : Astronomy and Astrophysics. 634, A65.

Research output: Contribution to journalArticle

Open Access
x rays
Seyfert galaxies
time measurement

Multi-wavelength campaign on NGC 7469 VI. photoionisation modelling of the emission line regions and the warm absorber

Grafton-Waters, S., Branduardi-Raymont, G., Mehdipour, M., Page, M. J., Behar, E., Kaastra, J., Arav, N., Bianchi, S., Costantini, E., Ebrero, J., Gesu, L. D., Kaspi, S., Kriss, G. A., Marco, B. D., Mao, J., Middei, R., Peretz, U., Petrucci, P. -O. & Ponti, G., 10 Jan 2020, In : Astronomy and Astrophysics. 633, 17 p., A62.

Research output: Contribution to journalArticle

Open Access