First Announcement

XMM-Newton Symposium


The X-ray Universe 2023


Athens, Greece
13th - 16th June 2023

Organised by the XMM-Newton Science Operations Centre of the European Space Agency (ESA)


The XMM-Newton Science Operations Centre is pleased to announce the next installment of the major astrophysical Symposium "The X-ray Universe 2023", from 13th to 16th June 2023 in Athens, Greece.

The abstract submission for this workshop is now open at this link

The registration will open in the coming weeks.


Important Dates

Deadline for Abstract Submission Friday 24th February 2023
Communication of the SOC decisions to presenters Mid April 2023
Early Registration Deadline Friday 5th May 2023
Final Announcement End May 2023


Aims and Scope of the Meeting

The symposium is the sixth meeting in the series "The X-ray Universe".

It is intended to encompass a broad range of high energy astrophysics topics and provide a showcase for results and discoveries not only from XMM-Newton but also from other current missions. In addition, the scientific potential of future projects will be discussed at the conference.


Session topics will include, among others:

  • Solar System
  • Exoplanets and their Host Stars
  • Stars and White Dwarfs
  • Isolated Neutron Stars
  • White Dwarf, Neutron Star and Black Hole Binaries
  • ULXs
  • Supernovae, GRB and GW events
  • Supernova Remants
  • Diffuse Emission and Galactic Halos
  • Galaxies and Galactic Surveys
  • Active Galactic Nuclei
  • Groups of Galaxies, Clusters of Galaxies and Superclusters
  • Cosmology with Clusters of Galaxies, AGN and Extragalactic Deep Fields
  • Current and Future Missions
  • Analysis and related Software (e.g. SAS, xspec)


The Eugenides Planetarium hosts a state-of-the-art digital planetarium and multiple conference rooms for the symposium. It is located close to the harbor in the southern part of Athens.

Conference Registration

Registration Fee:

Students able to provide a document of eligibility, until 5th May 400 EUR
Early fee, until 5th May 550 EUR
Late fee, after 5th May 700 EUR
Online only participation 300 EUR


The fee includes the welcome reception and all coffee breaks.

Registration will open in the coming weeks.

Social Events

Welcome Cocktail

On Tuesday June 13th, a welcome cocktail will take place at the venue. The registration desk will be open.

Conference Dinner

A social conference dinner will be held either on Wednesday or Thursday evening. More details to be announced soon.


Local Organising Committee:


Up-to-date information is always available via the Workshop Web page