The EXTraS Archive is Online!

The EXTraS Catalogues and Products go public: you can browse, preview, and download them through our Archive interface. You will also find documentation that describes them and indications on how to use them and give proper credits to the EXTraS project.



Exploring Hidden Treasures

“Variability pervades the cosmos. Studies of variability dominate research in astronomy and astrophysics and are so common that very many groups, projects and instruments are dedicated to the examination of just one form of variability, or one aspect of its diverse manifestations.” (manifest of the IAU Symposium 285, “New Horizons in Time Domain Astronomy”, University of Oxford September 19-23, 2011)

Like a treasure-hunt, the the EXTraS project (Exploring the X-ray Transient and variable Sky) is going to harvest the hitherto unexplored temporal domain information buried in the serendipitous data collected by the European Photon Imaging Camera (EPIC) instrument onboard the ESA XMM-Newton, in 13 years of observations.


A new EXTraS paper, "Supergiant Fast X-ray Transients uncovered by the EXTraS project: flares reveal the development of... 
During a EXTraS workshop, highschool students discover a mysterious X-ray flare. The discovery led to a publication on the... 
A new exciting result from EXTraS: a mysterious X-ray flare with a duration of 300s from the center of the globular cluster...