Curriculum vitae

CV & Publications

A downloadable PDF version is coming soon.

Positions

Oct 2025 — present
NASA Postdoctoral Fellow
NASA Goddard Space Flight Center, Greenbelt, MD, USA

Education

2021 — 2025
PhD in Astrophysics
Instituto de Estudios Astrofísicos, Universidad Diego Portales, Santiago, Chile — advisor: Prof. Claudio Ricci
Thesis: developing realistic X-ray models to investigate the close environments of supermassive black holes.
2017 — 2019
MSc in Astrophysics
National and Kapodistrian University of Athens, Greece
Focus on the coronal properties of active galaxies.
2012 — 2017
BSc in Physics
University of Patras, Greece

Publications

Selected publications

The Study of the Circumnuclear Environment of Accreting Supermassive Black Holes with Realistic X-Ray Spectral Models
G. Dimopoulos, C. Ricci, S. Paltani · The Astrophysical Journal · 2025
ADS ↗
The Fe Kα Compton shoulder in accreting supermassive black holes
G. Dimopoulos, C. Ricci, S. Paltani · Monthly Notices of the Royal Astronomical Society · 2024
ADS ↗
XRISM Resolves the Circum-nuclear Environment of NGC 4945
P. G. Boorman, P. Gandhi, Y. Ueda, et al. (incl. G. Dimopoulos) · arXiv e-print · 2026
ADS ↗
Extreme Variability Reveals How the Eddington Ratio Regulates Coronal Power in Active Galactic Nuclei
A. Jana, C. Ricci, F. E. Bauer, et al. (incl. G. Dimopoulos) · The Astrophysical Journal Letters · 2026
ADS ↗
A Tight Correlation between Millimeter and X-Ray Emission in Accreting Massive Black Holes from <100 mas Resolution ALMA Observations
C. Ricci, C.-S. Chang, T. Kawamuro, et al. (incl. G. Dimopoulos) · The Astrophysical Journal Letters · 2023
ADS ↗

Full and up-to-date list on NASA ADS · ORCID iD: 0009-0002-4945-5121