CV
Curriculum vitae.
Contact Information
| Name | Zijian Zhang |
| Professional Title | PhD Student in Astronomy and Astrophysics |
| zjz.kiaa@stu.pku.edu.cn | |
| Website | https://zijian-astro.github.io |
I am a PhD student at the Kavli Institute for Astronomy and Astrophysics, Peking University, and from September 2026 to September 2027 a visiting student in Prof. Roberto Maiolino’s group at the University of Cambridge. I study black hole growth in the early Universe, with a focus on little red dots: their variability, their place among active galaxies and their host galaxies, using JWST imaging, slitless and integral-field spectroscopy.
Experience
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2026 - 2027 Cambridge, UK
Visiting student, Prof. Roberto Maiolino's group
University of Cambridge
Education
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2023 - 2028 expected Beijing, China
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2019 - 2023 Nanjing, China
B.S.
Nanjing University
School of Astronomy and Space Science
Research Interests
Awards
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2025 Outstanding Poster Award
Guoshoujing Symposium, Changsha
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2024 Outstanding Oral Presentation Award
Symposium on Galaxy Evolution and Cosmology with CSST, Suzhou
Publications
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2026 The discovery of two little red dots in transition into quasarsNature Astronomy, 10
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2026 Little red dots as a cosmological probe: constraining H₀ with quasi-periodic pulsationsarXiv e-prints · Under review at PRL
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2026 JWST Insights into Narrow-line Little Red DotsThe Astrophysical Journal, 998
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2025 Little red dot variability over a century reveals black hole envelope via a giant Einstein crossarXiv e-prints · Under review at Science
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2025 Analysis of Multi-epoch JWST Images of ~300 Little Red Dots: Tentative Detection of Variability in a Minority of SourcesThe Astrophysical Journal, 985
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2025 On the Extremely X-Ray Variable Active Galactic Nuclei in the XMM-LSS FieldThe Astrophysical Journal, 983
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2023 GRB 220408B: A Three-episode Burst from a Precessing JetResearch in Astronomy and Astrophysics, 23
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2023 XMM-Newton Observations of Two Archival X-Ray Weak Type 1 Quasars: Obscuration Induced X-Ray Weakness and VariabilityThe Astrophysical Journal, 954
Talks
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Guoshoujing meetingHaikou
Talk
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JWST meetingTokyo
Talk
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AGN Feedback SymposiumNanjing
Talk
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EREBUS & COSMOS-3D collaboration meetingBologna
Talk
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Guoshoujing SymposiumChangsha
Talk & poster Outstanding Poster Award
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Symposium on Galaxy Evolution and Cosmology with CSSTSuzhou
Talk Outstanding Oral Presentation Award
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AGN Feedback SymposiumShanghai
Investigation of the variability of LRD using JWST data
Talk
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EREBUS collaboration meetingHilo
Investigation of the variability of LRD using JWST data
Talk