Astro-Ph-Co
QPO in RE J1034+396: model constraints from observed trends
The contribution of VM Slipher to the discovery of the expanding universe
The deep look onto the hard X-ray sky: The Swift - INTEGRAL X-ray (SIX) survey
The Gravitational Horizon for a Universe with Phantom Energy
The role of AGN jets and intracluster magnetic fields in the formation and acceleration of cosmic rays
The structure and emission model of the relativistic jet in the quasar 3C 279 inferred from radio to high-energy gamma-ray observations in 2008-2010
X-Ray emission from SN 2004dj: A Tale of Two Shocks