Xunzhou Chen · Academic Homepage · Hangzhou Dianzi University

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Research Associate Professor at the Hangzhou Dianzi University · Born in Huangshi, Hubei Province.

cxz@hdu.edu.cn

Research Interests

My research interests include stellar parameter determination, host-star–planet connections, FAST beam and polarization calibration.

Education

2016 – 2022 Beijing Normal University — Ph.D. in Astrophysics (Advisor: Prof. Shaolan Bi)
2019 – 2020 University of Missouri — Visiting Scholar in Astrophysics (Advisor: Prof. Aigen Li)
2012 – 2016 Yunnan University — B.Sc. in Applied Physics

Work Experience

2025.06 – present Hangzhou Dianzi University — School of Science, Research Associate Professor / Faculty Member
2022.07 – 2025.01 Zhejiang Laboratory — Research Center for Astronomical Computing, Postdoctoral Researcher (Advisor: Prof. Di Li)

Research Projects & Highlights

Stellar fundamental parameters — Determining precise stellar parameters, especially ages, using YREC and MESA stellar-evolution models while accounting for C and O enhancements.
Galactic chemical evolution and exoplanets — Studying how stellar properties such as metallicity, elemental abundances, magnetic activity, and Galactic birth environments affect planet formation and evolution.
FAST radio astronomy and interstellar magnetic fields — Characterizing the full-Stokes beam patterns of the FAST L-band 19-beam receiver and conducting HINSA–Zeeman observations of interstellar magnetic fields.

Selected Publications

Chen, X., Tao, Z., et al. “Stellar Flares and Extraterrestrial Intelligence.” Scientia Sinica Physica, Mechanica & Astronomica, 2026.
Chen, X.*, Sun, T.*, et al. “Insights into the Exoplanet Radius Valley from Host-Star Ages, Activity, Chemistry, and Birth Radius.” The Astrophysical Journal, 1001, 176 (2026).
Chen, X., Sun, T.*, and Ye, L. “Insights into Planet Formation from the Ages, Masses, and Elemental Abundances of Host Stars.” The Astrophysical Journal, 995, 33 (2025).
Chen, X.*, Ching, T.-C., Li, D., et al. “Beam Measurements of Full Stokes Parameters for the FAST L-band 19-beam Receiver.” The Astronomical Journal, 169, 158 (2025).
Sun, T., Bi, S.*, Chen, X.*, et al. “Potential Impact of the Sagittarius Dwarf Galaxy on the Formation of Young O-rich Stars.” Nature Communications, 16, 1581 (2025).
Sun, T.*, Bi, S.*, Chen, X.*, et al. “The Temporal and Spatial Variations of Lithium Abundance in the Galactic Disc.” Monthly Notices of the Royal Astronomical Society, 536, 462–470 (2024).
Sun, T., Chen, X.*, Bi, S.*, et al. “Characterizing Abundance–Age Relations of GALAH Stars Using Oxygen-enhanced Stellar Models.” Monthly Notices of the Royal Astronomical Society, 523, 1199–1208 (2023).
Sun, T., Ge, Z.*, Chen, X.*, Bi, S.*, et al. “Age of FGK Dwarfs Observed with LAMOST and GALAH: Considering the Oxygen Enhancement.” The Astrophysical Journal Supplement Series, 268, 29 (2023).
Chen, X., Ge, Z., Chen, Y., Bi, S.*, et al. “Ages of Main-sequence Turnoff Stars from the GALAH Survey.” The Astrophysical Journal, 929, 124 (2022).
Chen, X., Ge, Z., Chen, Y., Bi, S.*, et al. “Ages of Dwarfs in the Solar Neighborhood: Considering C and O Enhancements.” The Astrophysical Journal, 889, 157 (2020).

* indicates corresponding author

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