Student projects

PhD research projects

  • “A study on hadronic acceleration and the resulting electromagnetic and high-energy neutrino signals from active galaxies”
    Despina Karavola (2023 -)
  • “Spectral and temporal signatures of leptohadronic radiation models for active galactic nuclei in the multi-messenger era”
    Stamatios I. Stathopoulos (2022-2025)

MSc research projects

To check the topics offered in the academic year 2025-2026, click here.
  • “A systematic study of neutrino emission in the GRB proton synchrotron scenario” , Dimitrios Gkourmpatsis (10/2025 – )
  • ” Synchrotron emission from anisotropic electron distributions”, Georgios Konstantis (10/2025 – )
  • “Photon-photon pair production in the vicinity of reconnection layers”, Xanthos Argyropoulos (07/2025)
  • “A study of broadband variability in the context of hybrid leptohadronic models for TeV blazars”, Margaritis Chatzis (07/2024)
  • “Cosmic-ray production from blazar jets with minimum power requirements”, Anastasia Tsilimidou (07/2024)
  • “Gamma-rays from Bethe-Heitler pair production in AGN?”, Despina Karavola (09/2022)
  • “Radiative Signatures of Baryon-loaded AGN jets”, Filippos Psarras (07/2022)
    • M. Petropoulou, F. Psarras, D. Giannios, “Hadronic signatures from magnetically dominated baryon-loaded AGN jets”, 2023, MNRAS (doi:10.1093/mnras/stac3190)
  • “Connecting High-Energy Neutrino Emission with Hadronic X-ray Flares in Blazars”, Stamatios I. Stathopoulos (07/2021)
    • S. I. Stathopoulos, M. Petropoulou, G. Vasilopoulos et al., “High-energy neutrinos from X-rays flares of blazars frequently observed by the Swift X-Ray Telescope”, 2022, MNRAS (doi:10.1093/mnras/stab3404)

Bachelor thesis projects

To request a bachelor thesis project, please fill out this form . 
  1. ONGOING
  2. “Quasi-periodic eruptions in active galaxies”, A. Xlorou (expected date: 06/2026)
    • Co-supervision: G. Vasilopoulos
  3. “Are there neutral pion bumps in the spectra of Gamma-Ray Bursts?”, M. Gkoni (expected date: 04/2026)
  4. Synchrotron cooling versus particle decay: a parametric study of steady-state muon and pion energy distributions” , M. Tsolaki

    COMPLETED
  5. “SYNCHRO-CURVATURE RADIATION IN PULSAR MAGNETOSPHERES”, E. Oikonomou (10/2025)
  6. High-energy neutrino production from photon-photon muon pair interactions in astrophysics: reality or fantasy?“, A. Daioglou (10/2025)
  7. A theoretical study of spectral evolution in GRB 211211A“, K. Xyloportas (02/2025), Link
  8. Numerical approaches for Comptonization problems in astrophysical plasmas“, G. Konstantis (10/2024)
  9. A model for particle acceleration and radiation with application to non-thermal flares from Sgr A*“, M. Kalitsounaki (6/2024)
  10. A study of oscillations in the disk-corona system of compact accreting systems“, S. E. Kontokostas (06/2024)
  11. A parametric study of flux and color variability from Be decretion discs“, S. Kontogianni (02/2024)
    • Co-supervision: G. Vasilopoulos
  12. Neural networks applied to spectral modeling of AGN emission “, T. Tzavellas (12/2023)
    • Co-supervision: G. Vasilopoulos
      • A. Tzavellas, G. Vasilopoulos, M. Petropoulou, A. Mastichiadis, S. I. Stathopoulos, “Application of neural networks to synchro-Compton blazar emission models”, 2024, A&A (doi:10.1051/0004-6361/202348566)
  13. A library of temporal properties of X-ray afterglows Swift/XRT“, I. Dalamagka (03/2023)
  14. Beaming of γ-ray radiation of blazars“, O. Kefallinou (02/2023)
  15. Study of torque models during super-Eddington outbursts from BeXRB pulsars“, A. S. Karaferias (06/2022)
    • Co-supervision: G. Vasilopoulos
      • A. S. Karaferias, G. Vasilopoulos, M. Petropoulou et al., “Study of torque models during super-Eddington outbursts from BeXRB pulsars”, 2022, MNRAS (doi:10.1093/mnras/stac3208)
  16. Radio emission from colliding outflows in high-mass X-ray binaries with strongly magnetized neutron stars“, M. Chatzis (06/2022), University of Crete
    • M. Chatzis, M. Petropoulou, G. Vasilopoulos, “Radio emission from colliding outflows in high-mass X-ray binaries with strongly magnetized neutron stars”, 2021, MNRAS (doi:10.1093/mnras/stab3098)
  17. Non-thermal X-ray emission from wind-wind interaction in the binary system PSR J2032+4127/MT91 213“, T. I. Stasinos (05/2022)
  18. Synchrotron radiation from electrons and protons as explanation of radio emission from large-scale jet in M84“, C. Tsioutis (10/2021)
  19. Particle acceleration in compressing plasmoids and synchrotron radiation“, D. Karavola (10/2021)
    • “Radiative signatures of adiabatically compressing plasmoids in relativistic reconnection”, poster presentation, 15th Hel.A.S. Conference, 5 – 8 July 2021, Patras (virtual)

Undergraduate research projects

  • “Particle acceleration in 3D magnetic reconnection”, M. Zafiratos (Spring Semester 2025)
  • “Black-hole mass estimation in active galaxies through SED fitting”, G. Kyriopoulos (Winter Semester 2024)
    • G. Kyriopoulos, M. Petropoulou, G. Vasilopoulos, D. Hatzidimitriou, “Black-hole mass estimation through accretion disk spectral fitting for high-redshift blazars”, submitted to A&A (arXiv:2509.06933)
  • “The X-ray corona-disk system: a damped harmonic oscillator?”, G. Karydianakis (Spring Semester 2024)
  • “Time delays induced by gravitational lensing and dust scattering”, A. Menis (Winter Semester 2023)
  • “Modeling the continuous spectrum of the tidal disruption event  iPTF16axa “, S. L. Konstantinou (Spring Semester 2022)
  • “A study of spin-period equilibrium in X-ray pulsars”, S. Vidali (Spring Semester 2022)
    • Co-supervision: Dr. G. Vasilopoulos
  • “Simulations of gamma-ray blazar spectra for CTA”, F. Zanias (Spring Semester 2022 )
    • Co-supervision: Dr. G. Vasilopoulos
  • “Computation of broadband blazar spectra with machine-learning techniques “, A. Tzavellas (Spring Semester 2022 )
    • Co-supervision: Dr. G. Vasilopoulos

Blog at WordPress.com.

Up ↑