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316 papers · 2 filters
Gas temperature profiles in galaxy clusters with Swift XRT: observations and capabilities to map near R200
A. Moretti, F. Gastaldello, S. Ettori +1
We investigate the possibility of using the X-ray telescope (XRT) on board the Swift satellite to improve the current accuracy of the ICM temperature measurements in the region clo…
Scaling Rrelation in two situations of extreme mergers
Elena Rasia, Pasquale Mazzotta, August Evrard +3
Clusters of galaxies are known to be dynamically active systems, yet X-ray studies of the low redshift population exhibit tight scaling laws. In this work, we extend previous studi…
ISW Imprint of Superstructures on Linear Scales
Péter Pápai, István Szapudi, Ben R Granett
We build a model for the density and integrated Sachs-Wolfe (ISW) profile of supervoid and supercluster structures. Our model assumes that fluctuations evolve linearly from an init…
The jet of the BL Lacertae object PKS 2201+044: MAD near-IR adaptive optics observations and comparison with optical, radio and X-ray data
E. Liuzzo, R. Falomo, A. Treves +14
Relativistic jets are a common feature of radio loud active galactic nuclei. Multifrequency observations are a unique tool to constrain their physics. We report on a detailed study…
Modelling the evolution of galaxies as a function of environment
Gabriella De Lucia
In this review, I provide an overview of theoretical aspects related to the evolution of galaxies as a function of environment. I discuss the main physical processes at play, their…
The first scientific experiment using Global e-VLBI observations: a multiwavelength campaign on the gamma-ray Narrow-Line Seyfert 1 PMN J0948+0022
Marcello Giroletti, Z. Paragi, H. Bignall +14
The detection of gamma-ray emission by Fermi-LAT from the radio loud Narrow Line Seyfert 1 PMN J0948+0022 (Abdo et al. 2009, ApJ 699, 976) triggered a multi-wavelength campaign bet…