S. Sciortino & I. Pillitteri, INAF-Osservatorio Astronomico di Palermo

Since the ‘80s, X-ray images have shown that other stars possess...

Jelle Kaastra¹ & Fabrizio Nicastro²

(1)SRON& Leiden Observatory (2)INAF, Osservatorio Astronomico di Roma & Harvard–Smithsonian Center for Astrophysics...

Antonis Georgakakis, National Observatory of Athens, Institute for Astronomy, Astrophysics, Space Applications & Remote Sensing

The most recent observational campaigns...

Franco Vazza¹, Stefano Ettori² & Chiara Ferrari³

(1) Università di Bologna,Universität Hamburg

(2) Osservatorio di Astrofisica...

Steven Allen & Adam Mantz, Stanford University

Studies of galaxy groups and galaxy clusters, the largest objects in the Universe...

J. Wilms¹ (ECAP), P. Peille² (CNES), T. Dauser¹ (ECAP) & E. Cucchetti³ (IRAP)

(1)...

Chris Done, Center for Extragalactic Astronomy, Department of Physics, University of Durham

Black holes are black, but material captured by...

Christian Motch. Observatoire Astronomique Strasbourg

Galaxies often host non-nuclear accreting ultra-luminous X-ray sources (ULXs).

María Díaz-Trigo, ESO

The brightest X-ray sources in our galaxy are X-ray binaries. In these systems, a normal star and...