Articles by Georgios Vasilopoulos

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Georgios Vasilopoulos

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Detection of the optical counterpart of the transient ULX NGC300 ULX-1: a nascent black hole - neutron star binary?

3 March 2025 by André-Nicolas Chené and others

Solar and Stellar Astrophysics, High Energy Astrophysical Phenomena

Two decades of optical variability of Small Magellanic Cloud high-mass X-ray binaries

22 January 2025 by Helena Treiber and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

Broadband study of the Be X-ray binary RX J0520.5-6932 during its outburst in 2024

1 December 2024 by H. Yang and others

High Energy Astrophysical Phenomena

Particle acceleration and multi-messenger radiation from Ultra-Luminous X-ray Sources -- A new class of Galactic PeVatrons

13 November 2024 by Enrico Peretti and others

High Energy Astrophysical Phenomena

LeHaMoC: a versatile time-dependent lepto-hadronic modeling code for high-energy astrophysical sources

5 July 2024 by S. Stathopoulos and others

High Energy Astrophysical Phenomena

Theoretical Analysis of the RX J0209.6-7427 X-ray Spectrum During Giant Outburst

24 April 2024 by Brent West and others

High Energy Astrophysical Phenomena

TeV pion bumps in the gamma-ray spectra of flaring blazars

5 March 2024 by Maria Petropoulou and others

High Energy Astrophysical Phenomena

eRASSUJ060839.5-704014: A double degenerate ultra-compact binary in the direction of the LMC

30 January 2024 by Chayan Maitra and others

High Energy Astrophysical Phenomena

From Stellar Death to Cosmic Revelations: Zooming in on Compact Objects, Relativistic Outflows and Supernova Remnants with AXIS

13 November 2023 by S. Safi-Harb and others

High Energy Astrophysical Phenomena

Application of neural networks to synchro-Compton blazar emission models

10 November 2023 by A. Tzavellas and others

High Energy Astrophysical Phenomena

The High Energy X-ray Probe (HEX-P): Studying Extreme Accretion with Ultraluminous X-ray Sources

10 November 2023 by Matteo Bachetti and others at

Jet Propulsion Laboratory, California Institute of Technology

High Energy Astrophysical Phenomena, Instrumentation and Methods for Astrophysics

The High Energy X-ray Probe (HEX-P): the most powerful jets through the lens of a superb X-ray eye

8 November 2023 by Lea Marcotulli and others

High Energy Astrophysical Phenomena, Instrumentation and Methods for Astrophysics

The High Energy X-ray Probe (HEX-P): A New Window into Neutron Star Accretion

8 November 2023 by R. Ludlam and others

High Energy Astrophysical Phenomena, Instrumentation and Methods for Astrophysics

The Luminosity Phase Space of Galactic and Extragalactic X-ray Transients Out to Intermediate Redshifts

5 September 2023 by Ava Polzin and others

High Energy Astrophysical Phenomena

Constraining the evolution of the unstable accretion disk in SMC X-1 with NICER

3 August 2023 by Mckinley Brumback and others

High Energy Astrophysical Phenomena

On the cyclotron absorption line and evidence of the spectral transition in SMC X-2 during 2022 giant outburst

13 March 2023 by Gaurava Kumar Jaisawal and others

High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics

A shared accretion instability for black holes and neutron stars

28 February 2023 by Federico Maria Vincentelli and others

High Energy Astrophysical Phenomena

Dust-scattering rings of GRB 221009A as seen by the Neil Gehrels Swift satellite: can we count them all?

8 February 2023 by Georgios Vasilopoulos and others

High Energy Astrophysical Phenomena

SRG/eROSITA-triggered XMM-Newton observations of three Be/X-ray binaries in the LMC: Discovery of X-ray pulsations

3 February 2023 by Florian Haberl and others

High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics

A Bayesian approach for torque modelling of BeXRB pulsars with application to super-Eddington accretors

29 November 2022 by A. Karaferias and others

High Energy Astrophysical Phenomena

eRASSt J040515.6-745202, an X-ray burster in the Magellanic Bridge

12 November 2022 by Florian Haberl and others

High Energy Astrophysical Phenomena

Comparing the Super-Eddington accretion of SMC X-3 and RX J0209.6-7427 with Swift J0243.6+6124

23 September 2022 by Jiren Liu and others

High Energy Astrophysical Phenomena

Broadband study and the discovery of pulsations from the Be/X-ray binary eRASSU J052914.9-662446 in the Large Magellanic Cloud

4 September 2022 by Chayan Maitra and others at

ASTRON

High Energy Astrophysical Phenomena

Timing six energetic rotation-powered X-ray pulsars, including the fast-spinning young PSR J0058-7218 and Big Glitcher PSR J0537-6910

29 July 2022 by Wynn C. G. Ho and others

High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics

An X-ray view of the 2021 outburst of SXP 15.6: constraints on the binary orbit and magnetic field of the Neutron Star

13 June 2022 by Georgios Vasilopoulos and others

High Energy Astrophysical Phenomena

A persistent ultraviolet outflow from an accreting neutron star binary transient

2 March 2022 by N. Castro Segura and others

High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics

Three new high-mass X-ray binaries in the Large Magellanic Cloud

1 March 2022 by Florian Haberl and others

Solar and Stellar Astrophysics, Astrophysics of Galaxies

Discovery of a recurrent spectral evolutionary cycle in the ultra-luminous X-ray sources Holmberg II X-1 and NGC 5204 X-1

4 February 2022 by Andres Gúrpide and others

High Energy Astrophysical Phenomena

High-energy neutrinos from X-rays flares of blazars frequently observed by the Swift X-Ray Telescope

17 November 2021 by S. Stathopoulos and others

High Energy Astrophysical Phenomena

Multi-messenger emission from the parsec-scale jet of the flat-spectrum radio quasar PKS 1502+106 coincident with high-energy neutrino IceCube-190730A

3 November 2021 by Foteini Oikonomou and others

High Energy Astrophysical Phenomena

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High Energy Astrophysical Phenomena Solar and Stellar Astrophysics Instrumentation and Methods for Astrophysics Astrophysics of Galaxies